12664342413 has 32 divisors (see below), whose sum is σ = 19241129600. Its totient is φ = 8228158848.

The previous prime is 12664342399. The next prime is 12664342417. The reversal of 12664342413 is 31424346621.

12664342413 is a `hidden beast` number, since 1 + 2 + 6 + 643 + 4 + 2 + 4 + 1 + 3 = 666.

It is not a de Polignac number, because 12664342413 - 2³⁰ = 11590600589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664342417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518643 + ... + 542511.

It is an arithmetic number, because the mean of its divisors is an integer number (601285300).

Almost surely, 2^12664342413 is an apocalyptic number.

It is an amenable number.

12664342413 is a deficient number, since it is larger than the sum of its proper divisors (6576787187).

12664342413 is a wasteful number, since it uses less digits than its factorization.

12664342413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24378 (or 24372 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 12664342413 in words is "twelve billion, six hundred sixty-four million, three hundred forty-two thousand, four hundred thirteen".