45126979839 has 12 divisors (see below), whose sum is σ = 65453889072. Its totient is φ = 29959819200.

The previous prime is 45126979789. The next prime is 45126979853. The reversal of 45126979839 is 93897962154.

45126979839 is a `hidden beast` number, since 451 + 2 + 6 + 97 + 98 + 3 + 9 = 666.

45126979839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-45126979839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45126974839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10400547 + ... + 10404884.

It is an arithmetic number, because the mean of its divisors is an integer number (5454490756).

Almost surely, 2^45126979839 is an apocalyptic number.

45126979839 is a deficient number, since it is larger than the sum of its proper divisors (20326909233).

45126979839 is a wasteful number, since it uses less digits than its factorization.

45126979839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805678 (or 20805675 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 45126979839 in words is "forty-five billion, one hundred twenty-six million, nine hundred seventy-nine thousand, eight hundred thirty-nine".