26604762013 has 4 divisors (see below), whose sum is σ = 26657654688. Its totient is φ = 26551869340.

The previous prime is 26604762011. The next prime is 26604762029. The reversal of 26604762013 is 31026740662.

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 26604762013 - 2¹ = 26604762011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26604762011) 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, 26445583 + ... + 26446588.

It is an arithmetic number, because the mean of its divisors is an integer number (6664413672).

Almost surely, 2^26604762013 is an apocalyptic number.

It is an amenable number.

26604762013 is a deficient number, since it is larger than the sum of its proper divisors (52892675).

26604762013 is an equidigital number, since it uses as much as digits as its factorization.

26604762013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52892674.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 26604762013 in words is "twenty-six billion, six hundred four million, seven hundred sixty-two thousand, thirteen".