2551749604 has 24 divisors (see below), whose sum is σ = 4538887808. Its totient is φ = 1255089600.

The previous prime is 2551749601. The next prime is 2551749619. The reversal of 2551749604 is 4069471552.

It is a super-2 number, since 2×2551749604² = 13022852083028313632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551749601) 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, 41704 + ... + 82720.

Almost surely, 2^2551749604 is an apocalyptic number.

It is an amenable number.

2551749604 is a deficient number, since it is larger than the sum of its proper divisors (1987138204).

2551749604 is a wasteful number, since it uses less digits than its factorization.

2551749604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41275 (or 41273 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2551749604 is about 50514.8453823230. The cubic root of 2551749604 is about 1366.5095946656.

The spelling of 2551749604 in words is "two billion, five hundred fifty-one million, seven hundred forty-nine thousand, six hundred four".