309385479411 has 12 divisors (see below), whose sum is σ = 447585153288. Its totient is φ = 205936209504.

The previous prime is 309385479401. The next prime is 309385479419. The reversal of 309385479411 is 114974583903.

309385479411 is a `hidden beast` number, since 3 + 0 + 9 + 3 + 8 + 547 + 94 + 1 + 1 = 666.

It is not a de Polignac number, because 309385479411 - 2⁵ = 309385479379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (309385479419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26725290 + ... + 26736863.

It is an arithmetic number, because the mean of its divisors is an integer number (37298762774).

Almost surely, 2^309385479411 is an apocalyptic number.

309385479411 is a deficient number, since it is larger than the sum of its proper divisors (138199673877).

309385479411 is a wasteful number, since it uses less digits than its factorization.

309385479411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53462802 (or 53462799 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 309385479411 in words is "three hundred nine billion, three hundred eighty-five million, four hundred seventy-nine thousand, four hundred eleven".