631298393743044 has 48 divisors (see below), whose sum is σ = 1512844965305856. Its totient is φ = 204744914841600.

The previous prime is 631298393742979. The next prime is 631298393743063. The reversal of 631298393743044 is 440347393892136.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 203339149 + ... + 206420459.

It is an arithmetic number, because the mean of its divisors is an integer number (31517603443872).

Almost surely, 2^{631298393743044} is an apocalyptic number.

It is an amenable number.

631298393743044 is an abundant number, since it is smaller than the sum of its proper divisors (881546571562812).

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

631298393743044 is a wasteful number, since it uses less digits than its factorization.

631298393743044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542796 (or 3542794 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 66.

The spelling of 631298393743044 in words is "six hundred thirty-one trillion, two hundred ninety-eight billion, three hundred ninety-three million, seven hundred forty-three thousand, forty-four".