631462863172 has 12 divisors (see below), whose sum is σ = 1109168042220. Its totient is φ = 314557708256.

The previous prime is 631462863133. The next prime is 631462863179. The reversal of 631462863172 is 271368264136.

It can be written as a sum of positive squares in 2 ways, for example, as 32857362756 + 598605500416 = 181266^2 + 773696^2 .

It is not an unprimeable number, because it can be changed into a prime (631462863179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293429623 + ... + 293431774.

It is an arithmetic number, because the mean of its divisors is an integer number (92430670185).

Almost surely, 2^631462863172 is an apocalyptic number.

It is an amenable number.

631462863172 is a deficient number, since it is larger than the sum of its proper divisors (477705179048).

631462863172 is a wasteful number, since it uses less digits than its factorization.

631462863172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586861670 (or 586861668 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 631462863172 in words is "six hundred thirty-one billion, four hundred sixty-two million, eight hundred sixty-three thousand, one hundred seventy-two".