309860718412 has 24 divisors (see below), whose sum is σ = 626110323104. Its totient is φ = 131428403712.

The previous prime is 309860718383. The next prime is 309860718437. The reversal of 309860718412 is 214817068903.

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, 57040863 + ... + 57046294.

Almost surely, 2^309860718412 is an apocalyptic number.

It is an amenable number.

309860718412 is an abundant number, since it is smaller than the sum of its proper divisors (316249604692).

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

309860718412 is a wasteful number, since it uses less digits than its factorization.

309860718412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114087265 (or 114087263 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 309860718412 in words is "three hundred nine billion, eight hundred sixty million, seven hundred eighteen thousand, four hundred twelve".