45138935079 has 24 divisors (see below), whose sum is σ = 75564582912. Its totient is φ = 25430383440.

The previous prime is 45138935071. The next prime is 45138935081. The reversal of 45138935079 is 97053983154.

45138935079 is a `hidden beast` number, since 4 + 51 + 3 + 89 + 3 + 507 + 9 = 666.

It is not a de Polignac number, because 45138935079 - 2³ = 45138935071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45138935071) 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, 5041239 + ... + 5050184.

It is an arithmetic number, because the mean of its divisors is an integer number (3148524288).

Almost surely, 2^45138935079 is an apocalyptic number.

45138935079 is a deficient number, since it is larger than the sum of its proper divisors (30425647833).

45138935079 is a wasteful number, since it uses less digits than its factorization.

45138935079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091507 (or 10091504 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 45138935079 in words is "forty-five billion, one hundred thirty-eight million, nine hundred thirty-five thousand, seventy-nine".