631631659712 has 28 divisors (see below), whose sum is σ = 1254631512576. Its totient is φ = 315504034560.

The previous prime is 631631659667. The next prime is 631631659739. The reversal of 631631659712 is 217956136136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4806464 + ... + 4936127.

Almost surely, 2^631631659712 is an apocalyptic number.

It is an amenable number.

631631659712 is a deficient number, since it is larger than the sum of its proper divisors (622999852864).

631631659712 is a wasteful number, since it uses less digits than its factorization.

631631659712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743616 (or 9743606 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The spelling of 631631659712 in words is "six hundred thirty-one billion, six hundred thirty-one million, six hundred fifty-nine thousand, seven hundred twelve".