309104665912 has 32 divisors (see below), whose sum is σ = 675884844000. Its totient is φ = 132473427072.

The previous prime is 309104665759. The next prime is 309104665921. The reversal of 309104665912 is 219566401903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56320993 + ... + 56326480.

It is an arithmetic number, because the mean of its divisors is an integer number (21121401375).

Almost surely, 2^309104665912 is an apocalyptic number.

It is an amenable number.

309104665912 is an abundant number, since it is smaller than the sum of its proper divisors (366780178088).

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

309104665912 is a wasteful number, since it uses less digits than its factorization.

309104665912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112647500 (or 112647482 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 309104665912 in words is "three hundred nine billion, one hundred four million, six hundred sixty-five thousand, nine hundred twelve".