7639109604 has 81 divisors (see below), whose sum is σ = 22473419241. Its totient is φ = 2181553920.

The previous prime is 7639109549. The next prime is 7639109629. The reversal of 7639109604 is 4069019367.

The square root of 7639109604 is 87402.

It is a perfect power (a square), and thus also a powerful number.

7639109604 is a `hidden beast` number, since 7 + 6 + 39 + 1 + 0 + 9 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2894655204 + 4744454400 = 53802^2 + 68880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7639109604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3669844 + ... + 3671924.

Almost surely, 2^7639109604 is an apocalyptic number.

7639109604 is the 87402-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7639109604

7639109604 is an abundant number, since it is smaller than the sum of its proper divisors (14834309637).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7639109604 is a wasteful number, since it uses less digits than its factorization.

7639109604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The cubic root of 7639109604 is about 1969.4618853713.

The spelling of 7639109604 in words is "seven billion, six hundred thirty-nine million, one hundred nine thousand, six hundred four".