631773004332196 has 6 divisors (see below), whose sum is σ = 1105602757581350. Its totient is φ = 315886502166096.

The previous prime is 631773004332193. The next prime is 631773004332257. The reversal of 631773004332196 is 691233400377136.

It can be written as a sum of positive squares in only one way, i.e., 394433899329600 + 237339105002596 = 19860360^2 + 15405814^2 .

It is not an unprimeable number, because it can be changed into a prime (631773004332191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78971625541521 + ... + 78971625541528.

Almost surely, 2^{631773004332196} is an apocalyptic number.

It is an amenable number.

631773004332196 is a deficient number, since it is larger than the sum of its proper divisors (473829753249154).

631773004332196 is a wasteful number, since it uses less digits than its factorization.

631773004332196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157943251083053 (or 157943251083051 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 631773004332196 in words is "six hundred thirty-one trillion, seven hundred seventy-three billion, four million, three hundred thirty-two thousand, one hundred ninety-six".