309411189406 has 16 divisors (see below), whose sum is σ = 510295910400. Its totient is φ = 139534035480.

The previous prime is 309411189401. The next prime is 309411189419. The reversal of 309411189406 is 604981114903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309411189401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55367856 + ... + 55373443.

It is an arithmetic number, because the mean of its divisors is an integer number (31893494400).

Almost surely, 2^309411189406 is an apocalyptic number.

309411189406 is a deficient number, since it is larger than the sum of its proper divisors (200884720994).

309411189406 is a wasteful number, since it uses less digits than its factorization.

309411189406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110741439.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 309411189406 in words is "three hundred nine billion, four hundred eleven million, one hundred eighty-nine thousand, four hundred six".