12744742804 has 6 divisors (see below), whose sum is σ = 22303299914. Its totient is φ = 6372371400.

The previous prime is 12744742793. The next prime is 12744742817. The reversal of 12744742804 is 40824744721.

It can be written as a sum of positive squares in only one way, i.e., 11088090000 + 1656652804 = 105300^2 + 40702^2 .

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, 1593092847 + ... + 1593092854.

Almost surely, 2^12744742804 is an apocalyptic number.

It is an amenable number.

12744742804 is a deficient number, since it is larger than the sum of its proper divisors (9558557110).

12744742804 is a wasteful number, since it uses less digits than its factorization.

12744742804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186185705 (or 3186185703 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 43.

The spelling of 12744742804 in words is "twelve billion, seven hundred forty-four million, seven hundred forty-two thousand, eight hundred four".