12364775644 has 24 divisors (see below), whose sum is σ = 23339838368. Its totient is φ = 5697760320.

The previous prime is 12364775639. The next prime is 12364775659. The reversal of 12364775644 is 44657746321.

It is a super-2 number, since 2×12364775644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155607 + ... + 221230.

Almost surely, 2^12364775644 is an apocalyptic number.

It is an amenable number.

12364775644 is a deficient number, since it is larger than the sum of its proper divisors (10975062724).

12364775644 is a wasteful number, since it uses less digits than its factorization.

12364775644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377485 (or 377483 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 49.

The spelling of 12364775644 in words is "twelve billion, three hundred sixty-four million, seven hundred seventy-five thousand, six hundred forty-four".