12636170794 has 32 divisors (see below), whose sum is σ = 20656722240. Its totient is φ = 5762437632.

The previous prime is 12636170777. The next prime is 12636170843. The reversal of 12636170794 is 49707163621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658197 + ... + 1665799.

It is an arithmetic number, because the mean of its divisors is an integer number (645522570).

Almost surely, 2^12636170794 is an apocalyptic number.

12636170794 is a deficient number, since it is larger than the sum of its proper divisors (8020551446).

12636170794 is a wasteful number, since it uses less digits than its factorization.

12636170794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 12636170794 in words is "twelve billion, six hundred thirty-six million, one hundred seventy thousand, seven hundred ninety-four".