Pat into 9\" springform pan forming the crust along the bottom and up the sides. Set aside.
Preheat oven to 350.
In a mixer - beat cream cheese, sour cream, sugar and vanilla until smooth. Add pumpkin and spices and blend. Add eggs and blend again until mixed. Pour into pan over the crust.
Bake 40-45 minutes.
Turn oven off and leave the cheesecake in the oven for an additional 30 minutes.
Remove form oven. Refrigerate several hours until cheesecake cools and firms.