26464568692 has 6 divisors (see below), whose sum is σ = 46312995218. Its totient is φ = 13232284344.

The previous prime is 26464568687. The next prime is 26464568701. The reversal of 26464568692 is 29686546462.

It can be written as a sum of positive squares in only one way, i.e., 19975299556 + 6489269136 = 141334^2 + 80556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308071083 + ... + 3308071090.

Almost surely, 2^26464568692 is an apocalyptic number.

It is an amenable number.

26464568692 is a deficient number, since it is larger than the sum of its proper divisors (19848426526).

26464568692 is a wasteful number, since it uses less digits than its factorization.

26464568692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616142177 (or 6616142175 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 58.

The spelling of 26464568692 in words is "twenty-six billion, four hundred sixty-four million, five hundred sixty-eight thousand, six hundred ninety-two".