631875068812 has 12 divisors (see below), whose sum is σ = 1190841475936. Its totient is φ = 291634647120.

The previous prime is 631875068809. The next prime is 631875068813. The reversal of 631875068812 is 218860578136.

It is a super-2 number, since 2×631875068812² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (631875068813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6075721764 + ... + 6075721867.

Almost surely, 2^631875068812 is an apocalyptic number.

It is an amenable number.

631875068812 is a deficient number, since it is larger than the sum of its proper divisors (558966407124).

631875068812 is a wasteful number, since it uses less digits than its factorization.

631875068812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151443648 (or 12151443646 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 631875068812 in words is "six hundred thirty-one billion, eight hundred seventy-five million, sixty-eight thousand, eight hundred twelve".