309097336394 has 48 divisors (see below), whose sum is σ = 590014186560. Its totient is φ = 120091930560.

The previous prime is 309097336363. The next prime is 309097336411. The reversal of 309097336394 is 493633790903.

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, 12347 + ... + 786350.

It is an arithmetic number, because the mean of its divisors is an integer number (12291962220).

Almost surely, 2^309097336394 is an apocalyptic number.

309097336394 is a deficient number, since it is larger than the sum of its proper divisors (280916850166).

309097336394 is a wasteful number, since it uses less digits than its factorization.

309097336394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799083 (or 799076 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 56.

The spelling of 309097336394 in words is "three hundred nine billion, ninety-seven million, three hundred thirty-six thousand, three hundred ninety-four".