204481264313 has 4 divisors (see below), whose sum is σ = 204502692240. Its totient is φ = 204459836388.

The previous prime is 204481264307. The next prime is 204481264399. The reversal of 204481264313 is 313462184402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204481264313 - 2³⁴ = 187301395129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204481264213) 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, 10699643 + ... + 10718736.

It is an arithmetic number, because the mean of its divisors is an integer number (51125673060).

Almost surely, 2^204481264313 is an apocalyptic number.

It is an amenable number.

204481264313 is a deficient number, since it is larger than the sum of its proper divisors (21427927).

204481264313 is an equidigital number, since it uses as much as digits as its factorization.

204481264313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21427926.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 204481264313 in words is "two hundred four billion, four hundred eighty-one million, two hundred sixty-four thousand, three hundred thirteen".