26364666339 has 18 divisors (see below), whose sum is σ = 41546868636. Its totient is φ = 15977606520.

The previous prime is 26364666337. The next prime is 26364666347. The reversal of 26364666339 is 93366646362.

It is not a de Polignac number, because 26364666339 - 2¹ = 26364666337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26364666337) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1607422 + ... + 1623740.

Almost surely, 2^26364666339 is an apocalyptic number.

26364666339 is a deficient number, since it is larger than the sum of its proper divisors (15182202297).

26364666339 is an frugal number, since it uses more digits than its factorization.

26364666339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32655 (or 16333 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 54.

The spelling of 26364666339 in words is "twenty-six billion, three hundred sixty-four million, six hundred sixty-six thousand, three hundred thirty-nine".