6604204631 has 4 divisors (see below), whose sum is σ = 6612999264. Its totient is φ = 6595410000.

The previous prime is 6604204609. The next prime is 6604204637. The reversal of 6604204631 is 1364024066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6604204631 is a prime.

It is a super-2 number, since 2×6604204631² = 87231037616243692322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604204637) 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, 4396190 + ... + 4397691.

It is an arithmetic number, because the mean of its divisors is an integer number (1653249816).

Almost surely, 2^6604204631 is an apocalyptic number.

6604204631 is a deficient number, since it is larger than the sum of its proper divisors (8794633).

6604204631 is an equidigital number, since it uses as much as digits as its factorization.

6604204631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794632.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6604204631 is about 81266.2576411637. The cubic root of 6604204631 is about 1876.1757017202.

Adding to 6604204631 its reverse (1364024066), we get a palindrome (7968228697).

The spelling of 6604204631 in words is "six billion, six hundred four million, two hundred four thousand, six hundred thirty-one".