631938195006 has 8 divisors (see below), whose sum is σ = 1263876390024. Its totient is φ = 210646065000.

The previous prime is 631938194977. The next prime is 631938195013. The reversal of 631938195006 is 600591839136.

It is a sphenic number, since it is the product of 3 distinct primes.

631938195006 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 631938195006.

It is a congruent number.

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, 52661516245 + ... + 52661516256.

It is an arithmetic number, because the mean of its divisors is an integer number (157984548753).

Almost surely, 2^631938195006 is an apocalyptic number.

631938195006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

631938195006 is a wasteful number, since it uses less digits than its factorization.

631938195006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105323032506.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 631938195006 in words is "six hundred thirty-one billion, nine hundred thirty-eight million, one hundred ninety-five thousand, six".