9912446631 has 32 divisors (see below), whose sum is σ = 15449918400. Its totient is φ = 6272847360.

The previous prime is 9912446627. The next prime is 9912446651. The reversal of 9912446631 is 1366442199.

9912446631 is a `hidden beast` number, since 9 + 9 + 1 + 2 + 4 + 4 + 6 + 631 = 666.

It is not a de Polignac number, because 9912446631 - 2² = 9912446627 is a prime.

It is a super-2 number, since 2×9912446631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912446651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80046 + ... + 161963.

It is an arithmetic number, because the mean of its divisors is an integer number (482809950).

Almost surely, 2^9912446631 is an apocalyptic number.

9912446631 is a deficient number, since it is larger than the sum of its proper divisors (5537471769).

9912446631 is a wasteful number, since it uses less digits than its factorization.

9912446631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242096 (or 242090 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9912446631 is about 99561.2707381741. The cubic root of 9912446631 is about 2148.1286497180.

The spelling of 9912446631 in words is "nine billion, nine hundred twelve million, four hundred forty-six thousand, six hundred thirty-one".