2539250864 has 20 divisors (see below), whose sum is σ = 4982076960. Its totient is φ = 1253553600.

The previous prime is 2539250851. The next prime is 2539250867. The reversal of 2539250864 is 4680529352.

2539250864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2539250867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003187 + ... + 1005714.

It is an arithmetic number, because the mean of its divisors is an integer number (249103848).

Almost surely, 2^2539250864 is an apocalyptic number.

It is an amenable number.

2539250864 is a deficient number, since it is larger than the sum of its proper divisors (2442826096).

2539250864 is a wasteful number, since it uses less digits than its factorization.

2539250864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008988 (or 2008982 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2539250864 is about 50390.9799865016. The cubic root of 2539250864 is about 1364.2748390544.

The spelling of 2539250864 in words is "two billion, five hundred thirty-nine million, two hundred fifty thousand, eight hundred sixty-four".