12744864963 has 24 divisors (see below), whose sum is σ = 19507146048. Its totient is φ = 7990624512.

The previous prime is 12744864953. The next prime is 12744864967. The reversal of 12744864963 is 36946844721.

12744864963 is a `hidden beast` number, since 1 + 2 + 74 + 4 + 86 + 496 + 3 = 666.

It is not a de Polignac number, because 12744864963 - 2⁴ = 12744864947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12744864967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171645 + ... + 234417.

It is an arithmetic number, because the mean of its divisors is an integer number (812797752).

Almost surely, 2^12744864963 is an apocalyptic number.

12744864963 is a deficient number, since it is larger than the sum of its proper divisors (6762281085).

12744864963 is a wasteful number, since it uses less digits than its factorization.

12744864963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64123 (or 64120 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 12744864963 in words is "twelve billion, seven hundred forty-four million, eight hundred sixty-four thousand, nine hundred sixty-three".