2499665288 has 32 divisors (see below), whose sum is σ = 4785428160. Its totient is φ = 1223651520.

The previous prime is 2499665257. The next prime is 2499665339. The reversal of 2499665288 is 8825669942.

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, 202181 + ... + 214187.

It is an arithmetic number, because the mean of its divisors is an integer number (149544630).

Almost surely, 2^2499665288 is an apocalyptic number.

It is an amenable number.

2499665288 is a deficient number, since it is larger than the sum of its proper divisors (2285762872).

2499665288 is a wasteful number, since it uses less digits than its factorization.

2499665288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557 (or 12553 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The square root of 2499665288 is about 49996.6527679604. The cubic root of 2499665288 is about 1357.1482357175.

The spelling of 2499665288 in words is "two billion, four hundred ninety-nine million, six hundred sixty-five thousand, two hundred eighty-eight".