12747733464 has 64 divisors (see below), whose sum is σ = 32985208800. Its totient is φ = 4100612096.

The previous prime is 12747733433. The next prime is 12747733487. The reversal of 12747733464 is 46433774721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912762 + ... + 1919414.

Almost surely, 2^12747733464 is an apocalyptic number.

It is an amenable number.

12747733464 is an abundant number, since it is smaller than the sum of its proper divisors (20237475336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12747733464 is a wasteful number, since it uses less digits than its factorization.

12747733464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444 (or 9440 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 48.

The spelling of 12747733464 in words is "twelve billion, seven hundred forty-seven million, seven hundred thirty-three thousand, four hundred sixty-four".