613044904 has 8 divisors (see below), whose sum is σ = 1149459210. Its totient is φ = 306522448.

The previous prime is 613044893. The next prime is 613044907. The reversal of 613044904 is 409440316.

It can be written as a sum of positive squares in only one way, i.e., 610188804 + 2856100 = 24702^2 + 1690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (613044907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38315299 + ... + 38315314.

Almost surely, 2^613044904 is an apocalyptic number.

It is an amenable number.

613044904 is a deficient number, since it is larger than the sum of its proper divisors (536414306).

613044904 is a wasteful number, since it uses less digits than its factorization.

613044904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76630619 (or 76630615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 613044904 is about 24759.7436174125. The cubic root of 613044904 is about 849.5013933897.

The spelling of 613044904 in words is "six hundred thirteen million, forty-four thousand, nine hundred four".