204665411313 has 24 divisors (see below), whose sum is σ = 334447634976. Its totient is φ = 124039641600.

The previous prime is 204665411303. The next prime is 204665411329. The reversal of 204665411313 is 313114566402.

204665411313 is a `hidden beast` number, since 20 + 4 + 66 + 541 + 1 + 31 + 3 = 666.

It is not a de Polignac number, because 204665411313 - 2⁹ = 204665410801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204665411303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38281168 + ... + 38286513.

It is an arithmetic number, because the mean of its divisors is an integer number (13935318124).

Almost surely, 2^204665411313 is an apocalyptic number.

It is an amenable number.

204665411313 is a deficient number, since it is larger than the sum of its proper divisors (129782223663).

204665411313 is an equidigital number, since it uses as much as digits as its factorization.

204665411313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76567707 (or 76567695 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 204665411313 its reverse (313114566402), we get a palindrome (517779977715).

The spelling of 204665411313 in words is "two hundred four billion, six hundred sixty-five million, four hundred eleven thousand, three hundred thirteen".