12749798733 has 16 divisors (see below), whose sum is σ = 19513111680. Its totient is φ = 7253781696.

The previous prime is 12749798729. The next prime is 12749798759. The reversal of 12749798733 is 33789794721.

It is not a de Polignac number, because 12749798733 - 2² = 12749798729 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749797733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320810 + ... + 1330427.

It is an arithmetic number, because the mean of its divisors is an integer number (1219569480).

Almost surely, 2^12749798733 is an apocalyptic number.

It is an amenable number.

12749798733 is a deficient number, since it is larger than the sum of its proper divisors (6763312947).

12749798733 is a wasteful number, since it uses less digits than its factorization.

12749798733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651476.

The product of its digits is 16003008, while the sum is 60.

The spelling of 12749798733 in words is "twelve billion, seven hundred forty-nine million, seven hundred ninety-eight thousand, seven hundred thirty-three".