12729934594 has 32 divisors (see below), whose sum is σ = 21984842880. Its totient is φ = 5476038912.

The previous prime is 12729934579. The next prime is 12729934649. The reversal of 12729934594 is 49543992721.

It is a happy number.

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, 94284 + ... + 185335.

It is an arithmetic number, because the mean of its divisors is an integer number (687026340).

Almost surely, 2^12729934594 is an apocalyptic number.

12729934594 is a deficient number, since it is larger than the sum of its proper divisors (9254908286).

12729934594 is a wasteful number, since it uses less digits than its factorization.

12729934594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279754.

The product of its digits is 4898880, while the sum is 55.

The spelling of 12729934594 in words is "twelve billion, seven hundred twenty-nine million, nine hundred thirty-four thousand, five hundred ninety-four".