309460609394 has 8 divisors (see below), whose sum is σ = 474986051760. Its totient is φ = 151131925476.

The previous prime is 309460609387. The next prime is 309460609399. The reversal of 309460609394 is 493906064903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (309460609399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799189504 + ... + 1799189675.

It is an arithmetic number, because the mean of its divisors is an integer number (59373256470).

Almost surely, 2^309460609394 is an apocalyptic number.

309460609394 is a deficient number, since it is larger than the sum of its proper divisors (165525442366).

309460609394 is a wasteful number, since it uses less digits than its factorization.

309460609394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598379224.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 309460609394 in words is "three hundred nine billion, four hundred sixty million, six hundred nine thousand, three hundred ninety-four".