632317494387 has 32 divisors (see below), whose sum is σ = 865262675200. Its totient is φ = 410518305792.

The previous prime is 632317494383. The next prime is 632317494467. The reversal of 632317494387 is 783494713236.

It is not a de Polignac number, because 632317494387 - 2² = 632317494383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632317494383) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 116682564 + ... + 116687982.

It is an arithmetic number, because the mean of its divisors is an integer number (27039458600).

Almost surely, 2^632317494387 is an apocalyptic number.

632317494387 is a deficient number, since it is larger than the sum of its proper divisors (232945180813).

632317494387 is a wasteful number, since it uses less digits than its factorization.

632317494387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987.

The product of its digits is 18289152, while the sum is 57.

The spelling of 632317494387 in words is "six hundred thirty-two billion, three hundred seventeen million, four hundred ninety-four thousand, three hundred eighty-seven".