632630375631 has 40 divisors (see below), whose sum is σ = 1000363734480. Its totient is φ = 397740284928.

The previous prime is 632630375599. The next prime is 632630375639. The reversal of 632630375631 is 136573036236.

632630375631 is a `hidden beast` number, since 6 + 3 + 2 + 6 + 3 + 0 + 3 + 7 + 5 + 631 = 666.

It is not a de Polignac number, because 632630375631 - 2⁵ = 632630375599 is a prime.

It is a super-2 number, since 2×632630375631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632630375639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3030610 + ... + 3232623.

It is an arithmetic number, because the mean of its divisors is an integer number (25009093362).

Almost surely, 2^632630375631 is an apocalyptic number.

632630375631 is a deficient number, since it is larger than the sum of its proper divisors (367733358849).

632630375631 is a wasteful number, since it uses less digits than its factorization.

632630375631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263317 (or 6263308 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 45.

The spelling of 632630375631 in words is "six hundred thirty-two billion, six hundred thirty million, three hundred seventy-five thousand, six hundred thirty-one".