2604809608 has 16 divisors (see below), whose sum is σ = 4915128780. Its totient is φ = 1294108608.

The previous prime is 2604809591. The next prime is 2604809621. The reversal of 2604809608 is 8069084062.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2092330564 + 512479044 = 45742^2 + 22638^2 .

It is a super-2 number, since 2×2604809608² = 13570066187858227328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035691 + ... + 1038202.

Almost surely, 2^2604809608 is an apocalyptic number.

It is an amenable number.

2604809608 is a deficient number, since it is larger than the sum of its proper divisors (2310319172).

2604809608 is a wasteful number, since it uses less digits than its factorization.

2604809608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074056 (or 2074052 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2604809608 is about 51037.3354320149. The cubic root of 2604809608 is about 1375.9162348165.

The spelling of 2604809608 in words is "two billion, six hundred four million, eight hundred nine thousand, six hundred eight".