26604036479 has 2 divisors, whose sum is σ = 26604036480. Its totient is φ = 26604036478.

The previous prime is 26604036421. The next prime is 26604036527. The reversal of 26604036479 is 97463040662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26604036479 - 2²⁰ = 26602987903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26604036779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13302018239 + 13302018240.

It is an arithmetic number, because the mean of its divisors is an integer number (13302018240).

Almost surely, 2^26604036479 is an apocalyptic number.

26604036479 is a deficient number, since it is larger than the sum of its proper divisors (1).

26604036479 is an equidigital number, since it uses as much as digits as its factorization.

26604036479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 26604036479 in words is "twenty-six billion, six hundred four million, thirty-six thousand, four hundred seventy-nine".