631250687632 has 20 divisors (see below), whose sum is σ = 1223101704700. Its totient is φ = 315611538048.

The previous prime is 631250687629. The next prime is 631250687663. The reversal of 631250687632 is 236786052136.

It can be written as a sum of positive squares in 2 ways, for example, as 180934532496 + 450316155136 = 425364^2 + 671056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480507 + ... + 1222042.

It is an arithmetic number, because the mean of its divisors is an integer number (61155085235).

Almost surely, 2^631250687632 is an apocalyptic number.

It is an amenable number.

631250687632 is a deficient number, since it is larger than the sum of its proper divisors (591851017068).

631250687632 is a wasteful number, since it uses less digits than its factorization.

631250687632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725730 (or 1725724 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 631250687632 in words is "six hundred thirty-one billion, two hundred fifty million, six hundred eighty-seven thousand, six hundred thirty-two".