631623464 has 16 divisors (see below), whose sum is σ = 1189252800. Its totient is φ = 314489392.

The previous prime is 631623437. The next prime is 631623511. The reversal of 631623464 is 464326136.

631623464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 163262 + ... + 167085.

It is an arithmetic number, because the mean of its divisors is an integer number (74328300).

Almost surely, 2^631623464 is an apocalyptic number.

It is an amenable number.

631623464 is a deficient number, since it is larger than the sum of its proper divisors (557629336).

631623464 is a wasteful number, since it uses less digits than its factorization.

631623464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330592 (or 330588 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 631623464 is about 25132.1201652387. The cubic root of 631623464 is about 857.9976237113.

The spelling of 631623464 in words is "six hundred thirty-one million, six hundred twenty-three thousand, four hundred sixty-four".