13204809513 has 32 divisors (see below), whose sum is σ = 22380779520. Its totient is φ = 7537698000.

The previous prime is 13204809493. The next prime is 13204809521. The reversal of 13204809513 is 31590840231.

13204809513 is a `hidden beast` number, since 132 + 0 + 4 + 8 + 0 + 9 + 513 = 666.

It is not a de Polignac number, because 13204809513 - 2⁵ = 13204809481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13204809593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146638 + ... + 218888.

It is an arithmetic number, because the mean of its divisors is an integer number (699399360).

Almost surely, 2^13204809513 is an apocalyptic number.

It is an amenable number.

13204809513 is a deficient number, since it is larger than the sum of its proper divisors (9175970007).

13204809513 is an equidigital number, since it uses as much as digits as its factorization.

13204809513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73234 (or 73228 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13204809513 in words is "thirteen billion, two hundred four million, eight hundred nine thousand, five hundred thirteen".