309072260870692 has 24 divisors (see below), whose sum is σ = 592515859582080. Its totient is φ = 139899577947360.

The previous prime is 309072260870657. The next prime is 309072260870719. The reversal of 309072260870692 is 296078062270903.

It is a self number, because there is not a number n which added to its sum of digits gives 309072260870692.

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, 14695323303 + ... + 14695344334.

It is an arithmetic number, because the mean of its divisors is an integer number (24688160815920).

Almost surely, 2^{309072260870692} is an apocalyptic number.

It is an amenable number.

309072260870692 is a deficient number, since it is larger than the sum of its proper divisors (283443598711388).

309072260870692 is a wasteful number, since it uses less digits than its factorization.

309072260870692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29390667891 (or 29390667889 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 309072260870692 in words is "three hundred nine trillion, seventy-two billion, two hundred sixty million, eight hundred seventy thousand, six hundred ninety-two".