631733646472 has 16 divisors (see below), whose sum is σ = 1246842723600. Its totient is φ = 299242253520.

The previous prime is 631733646449. The next prime is 631733646539. The reversal of 631733646472 is 274646337136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078071054 + ... + 2078071357.

It is an arithmetic number, because the mean of its divisors is an integer number (77927670225).

Almost surely, 2^631733646472 is an apocalyptic number.

It is an amenable number.

631733646472 is a deficient number, since it is larger than the sum of its proper divisors (615109077128).

631733646472 is a wasteful number, since it uses less digits than its factorization.

631733646472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156142436 (or 4156142432 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 52.

The spelling of 631733646472 in words is "six hundred thirty-one billion, seven hundred thirty-three million, six hundred forty-six thousand, four hundred seventy-two".