9980492812 has 24 divisors (see below), whose sum is σ = 17876754896. Its totient is φ = 4872909888.

The previous prime is 9980492807. The next prime is 9980492827. The reversal of 9980492812 is 2182940899.

It is a super-2 number, since 2×9980492812² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9980492812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199338 + ... + 1207630.

Almost surely, 2^9980492812 is an apocalyptic number.

It is an amenable number.

9980492812 is a deficient number, since it is larger than the sum of its proper divisors (7896262084).

9980492812 is a wasteful number, since it uses less digits than its factorization.

9980492812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15337 (or 15335 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9980492812 is about 99902.4164472512. The cubic root of 9980492812 is about 2153.0328793725.

The spelling of 9980492812 in words is "nine billion, nine hundred eighty million, four hundred ninety-two thousand, eight hundred twelve".