Google Adsense?

Is there a way to mail in an application for google adsense. I'd rather not give my SSN on the internet and would feel safer if I could do it through the mail. Is there such an application or even a number to call?
Google Adsense?
Keep your computer clean and there should be no problem to submit online.Google is trusted.Otherwise try contact them at support@adsense.com,but I doubt they will give you any response.We are all under the power of the big G.