6613725604 has 12 divisors (see below), whose sum is σ = 11577166300. Its totient is φ = 3305963808.

The previous prime is 6613725593. The next prime is 6613725607. The reversal of 6613725604 is 4065273166.

It can be written as a sum of positive squares in 2 ways, for example, as 4747485604 + 1866240000 = 68902^2 + 43200^2 .

It is not an unprimeable number, because it can be changed into a prime (6613725607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208059 + ... + 237730.

Almost surely, 2^6613725604 is an apocalyptic number.

It is an amenable number.

6613725604 is a deficient number, since it is larger than the sum of its proper divisors (4963440696).

6613725604 is a wasteful number, since it uses less digits than its factorization.

6613725604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449502 (or 449500 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6613725604 is about 81324.8154255514. The cubic root of 6613725604 is about 1877.0768670623.

The spelling of 6613725604 in words is "six billion, six hundred thirteen million, seven hundred twenty-five thousand, six hundred four".