2539558964 has 12 divisors (see below), whose sum is σ = 4500484800. Its totient is φ = 1253706168.

The previous prime is 2539558951. The next prime is 2539558993. The reversal of 2539558964 is 4698559352.

2539558964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 4017974 + ... + 4018605.

It is an arithmetic number, because the mean of its divisors is an integer number (375040400).

Almost surely, 2^2539558964 is an apocalyptic number.

It is an amenable number.

2539558964 is a deficient number, since it is larger than the sum of its proper divisors (1960925836).

2539558964 is a wasteful number, since it uses less digits than its factorization.

2539558964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036662 (or 8036660 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 56.

The square root of 2539558964 is about 50394.0369885168. The cubic root of 2539558964 is about 1364.3300149181.

The spelling of 2539558964 in words is "two billion, five hundred thirty-nine million, five hundred fifty-eight thousand, nine hundred sixty-four".