26697613364 has 12 divisors (see below), whose sum is σ = 46728381924. Its totient is φ = 13346647104.

The previous prime is 26697613301. The next prime is 26697613381. The reversal of 26697613364 is 46331679662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21500356900 + 5197256464 = 146630^2 + 72092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511919 + ... + 561654.

It is an arithmetic number, because the mean of its divisors is an integer number (3894031827).

Almost surely, 2^26697613364 is an apocalyptic number.

It is an amenable number.

26697613364 is a deficient number, since it is larger than the sum of its proper divisors (20030768560).

26697613364 is a wasteful number, since it uses less digits than its factorization.

26697613364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079794 (or 1079792 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 53.

The spelling of 26697613364 in words is "twenty-six billion, six hundred ninety-seven million, six hundred thirteen thousand, three hundred sixty-four".