12869273672 has 16 divisors (see below), whose sum is σ = 24283584060. Its totient is φ = 6393651264.

The previous prime is 12869273657. The next prime is 12869273707. The reversal of 12869273672 is 27637296821.

It can be written as a sum of positive squares in 2 ways, for example, as 11679989476 + 1189284196 = 108074^2 + 34486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121863 + ... + 5124374.

Almost surely, 2^12869273672 is an apocalyptic number.

It is an amenable number.

12869273672 is a deficient number, since it is larger than the sum of its proper divisors (11414310388).

12869273672 is a wasteful number, since it uses less digits than its factorization.

12869273672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246400 (or 10246396 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The spelling of 12869273672 in words is "twelve billion, eight hundred sixty-nine million, two hundred seventy-three thousand, six hundred seventy-two".