309299653412 has 12 divisors (see below), whose sum is σ = 541393465200. Its totient is φ = 154615806216.

The previous prime is 309299653393. The next prime is 309299653447. The reversal of 309299653412 is 214356992903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8484662 + ... + 8521037.

It is an arithmetic number, because the mean of its divisors is an integer number (45116122100).

Almost surely, 2^309299653412 is an apocalyptic number.

It is an amenable number.

309299653412 is a deficient number, since it is larger than the sum of its proper divisors (232093811788).

309299653412 is a wasteful number, since it uses less digits than its factorization.

309299653412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010250 (or 17010248 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 309299653412 in words is "three hundred nine billion, two hundred ninety-nine million, six hundred fifty-three thousand, four hundred twelve".