2539021912 has 32 divisors (see below), whose sum is σ = 5517400320. Its totient is φ = 1072824480.

The previous prime is 2539021909. The next prime is 2539021967. The reversal of 2539021912 is 2191209352.

2539021912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2539021912² = 12893264539232271488, which contains 22 as substring.

It is a congruent number.

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, 315318 + ... + 323269.

It is an arithmetic number, because the mean of its divisors is an integer number (172418760).

Almost surely, 2^2539021912 is an apocalyptic number.

It is an amenable number.

2539021912 is an abundant number, since it is smaller than the sum of its proper divisors (2978378408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2539021912 is a wasteful number, since it uses less digits than its factorization.

2539021912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638671 (or 638667 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2539021912 is about 50388.7081795118. The cubic root of 2539021912 is about 1364.2338344618.

The spelling of 2539021912 in words is "two billion, five hundred thirty-nine million, twenty-one thousand, nine hundred twelve".