2539177672 has 16 divisors (see below), whose sum is σ = 4804638300. Its totient is φ = 1257940800.

The previous prime is 2539177657. The next prime is 2539177709. The reversal of 2539177672 is 2767719352.

It can be written as a sum of positive squares in 2 ways, for example, as 2314956996 + 224220676 = 48114^2 + 14974^2 .

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, 1455079 + ... + 1456822.

Almost surely, 2^2539177672 is an apocalyptic number.

It is an amenable number.

2539177672 is a deficient number, since it is larger than the sum of its proper divisors (2265460628).

2539177672 is a wasteful number, since it uses less digits than its factorization.

2539177672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912016 (or 2912012 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 49.

The square root of 2539177672 is about 50390.2537401827. The cubic root of 2539177672 is about 1364.2617308624.

The spelling of 2539177672 in words is "two billion, five hundred thirty-nine million, one hundred seventy-seven thousand, six hundred seventy-two".