9809763185412 has 72 divisors (see below), whose sum is σ = 27236871130560. Its totient is φ = 2963132124480.

The previous prime is 9809763185353. The next prime is 9809763185461. The reversal of 9809763185412 is 2145813679089.

9809763185412 is a `hidden beast` number, since 9 + 8 + 0 + 9 + 76 + 3 + 18 + 541 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9809763185412.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311761639 + ... + 311793102.

It is a 2-persistent number, because it is pandigital, and so is 2⋅9809763185412 = 19619526370824, but 3⋅9809763185412 = 29429289556236 is not.

Almost surely, 2^{9809763185412} is an apocalyptic number.

9809763185412 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9809763185412 is an abundant number, since it is smaller than the sum of its proper divisors (17427107945148).

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

9809763185412 is a wasteful number, since it uses less digits than its factorization.

9809763185412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623554793 (or 623554788 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 9809763185412 in words is "nine trillion, eight hundred nine billion, seven hundred sixty-three million, one hundred eighty-five thousand, four hundred twelve".