12694077464 has 16 divisors (see below), whose sum is σ = 23802773400. Its totient is φ = 6346671232.

The previous prime is 12694077457. The next prime is 12694077469. The reversal of 12694077464 is 46477049621.

It is a super-2 number, since 2×12694077464² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694077469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150047 + ... + 218865.

Almost surely, 2^12694077464 is an apocalyptic number.

It is an amenable number.

12694077464 is a deficient number, since it is larger than the sum of its proper divisors (11108695936).

12694077464 is a wasteful number, since it uses less digits than its factorization.

12694077464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91882 (or 91878 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 12694077464 in words is "twelve billion, six hundred ninety-four million, seventy-seven thousand, four hundred sixty-four".