12739376570 has 16 divisors (see below), whose sum is σ = 22953532680. Its totient is φ = 5090716224.

The previous prime is 12739376567. The next prime is 12739376591. The reversal of 12739376570 is 7567393721.

It can be written as a sum of positive squares in 4 ways, for example, as 7963599121 + 4775777449 = 89239^2 + 69107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618665 + ... + 638924.

Almost surely, 2^12739376570 is an apocalyptic number.

12739376570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12739376570 is a deficient number, since it is larger than the sum of its proper divisors (10214156110).

12739376570 is a wasteful number, since it uses less digits than its factorization.

12739376570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258609.

The product of its (nonzero) digits is 1666980, while the sum is 50.

The spelling of 12739376570 in words is "twelve billion, seven hundred thirty-nine million, three hundred seventy-six thousand, five hundred seventy".