2539315617 has 16 divisors (see below), whose sum is σ = 3503826432. Its totient is φ = 1634117760.

The previous prime is 2539315613. The next prime is 2539315631. The reversal of 2539315617 is 7165139352.

2539315617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2539315617 - 2² = 2539315613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2539315613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533 + ... + 71309.

It is an arithmetic number, because the mean of its divisors is an integer number (218989152).

Almost surely, 2^2539315617 is an apocalyptic number.

It is an amenable number.

2539315617 is a deficient number, since it is larger than the sum of its proper divisors (964510815).

2539315617 is a wasteful number, since it uses less digits than its factorization.

2539315617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69208.

The product of its digits is 170100, while the sum is 42.

The square root of 2539315617 is about 50391.6224882668. The cubic root of 2539315617 is about 1364.2864356685.

The spelling of 2539315617 in words is "two billion, five hundred thirty-nine million, three hundred fifteen thousand, six hundred seventeen".