309691674076 has 24 divisors (see below), whose sum is σ = 562475002320. Its totient is φ = 149019316992.

The previous prime is 309691674023. The next prime is 309691674079. The reversal of 309691674076 is 670476196903.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 309691674076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309691674079) 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, 4312525 + ... + 4383748.

It is an arithmetic number, because the mean of its divisors is an integer number (23436458430).

Almost surely, 2^309691674076 is an apocalyptic number.

It is an amenable number.

309691674076 is a deficient number, since it is larger than the sum of its proper divisors (252783328244).

309691674076 is a wasteful number, since it uses less digits than its factorization.

309691674076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696613 (or 8696611 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 309691674076 in words is "three hundred nine billion, six hundred ninety-one million, six hundred seventy-four thousand, seventy-six".