631075839488 has 40 divisors (see below), whose sum is σ = 1267885699080. Its totient is φ = 313794570240.

The previous prime is 631075839413. The next prime is 631075839503. The reversal of 631075839488 is 884938570136.

It is a self number, because there is not a number n which added to its sum of digits gives 631075839488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312218 + ... + 3497561.

It is an arithmetic number, because the mean of its divisors is an integer number (31697142477).

Almost surely, 2^631075839488 is an apocalyptic number.

It is an amenable number.

631075839488 is an abundant number, since it is smaller than the sum of its proper divisors (636809859592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631075839488 is an equidigital number, since it uses as much as digits as its factorization.

631075839488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809978 (or 6809962 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 631075839488 in words is "six hundred thirty-one billion, seventy-five million, eight hundred thirty-nine thousand, four hundred eighty-eight".