2513899264 has 72 divisors (see below), whose sum is σ = 5285538720. Its totient is φ = 1190965248.

The previous prime is 2513899261. The next prime is 2513899313. The reversal of 2513899264 is 4629983152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513899261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639834 + ... + 643750.

It is an arithmetic number, because the mean of its divisors is an integer number (73410260).

Almost surely, 2^2513899264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2513899264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642769360).

2513899264 is an abundant number, since it is smaller than the sum of its proper divisors (2771639456).

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

2513899264 is a wasteful number, since it uses less digits than its factorization.

2513899264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065 (or 4051 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 2513899264 is about 50138.7999856399. The cubic root of 2513899264 is about 1359.7193884716.

The spelling of 2513899264 in words is "two billion, five hundred thirteen million, eight hundred ninety-nine thousand, two hundred sixty-four".