The pig is unclean to you because its hoof is divided (the hoof is completely split in two ¹ ), even though it does not chew the cud. ² 

However, you may not eat the following animals among those that chew the cud or those that have divided hooves: the camel, the hare, and the rock badger. ¹  (Although they chew the cud, they do not have divided hooves and are therefore ritually impure to you).

However, you must not eat these ¹  from among those that chew the cud and have divided hooves: The camel is unclean to you ²  because it chews the cud ³  even though its hoof is not divided. ⁴ 

“‘All ¹  animals that divide the hoof but it is not completely split in two ²  and do not chew the cud ³  are unclean to you; anyone who touches them becomes unclean. ⁴ 

Also the pig is ritually impure to you; though it has divided hooves, ¹  it does not chew the cud. You may not eat their meat or even touch their remains.