45138125863 has 4 divisors (see below), whose sum is σ = 45181570720. Its totient is φ = 45094681008.

The previous prime is 45138125849. The next prime is 45138125869. The reversal of 45138125863 is 36852183154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45138125863 - 2⁵ = 45138125831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45138125869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21720870 + ... + 21722947.

It is an arithmetic number, because the mean of its divisors is an integer number (11295392680).

Almost surely, 2^45138125863 is an apocalyptic number.

45138125863 is a deficient number, since it is larger than the sum of its proper divisors (43444857).

45138125863 is a wasteful number, since it uses less digits than its factorization.

45138125863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43444856.

The product of its digits is 691200, while the sum is 46.

The spelling of 45138125863 in words is "forty-five billion, one hundred thirty-eight million, one hundred twenty-five thousand, eight hundred sixty-three".