45634723839 has 16 divisors (see below), whose sum is σ = 67610329600. Its totient is φ = 30421650168.

The previous prime is 45634723831. The next prime is 45634723859. The reversal of 45634723839 is 93832743654.

45634723839 is a `hidden beast` number, since 4 + 563 + 4 + 72 + 3 + 8 + 3 + 9 = 666.

It is not a de Polignac number, because 45634723839 - 2³ = 45634723831 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 (45634723831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921492 + ... + 969750.

It is an arithmetic number, because the mean of its divisors is an integer number (4225645600).

Almost surely, 2^45634723839 is an apocalyptic number.

45634723839 is a deficient number, since it is larger than the sum of its proper divisors (21975605761).

45634723839 is a wasteful number, since it uses less digits than its factorization.

45634723839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83291 (or 83285 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 45634723839 in words is "forty-five billion, six hundred thirty-four million, seven hundred twenty-three thousand, eight hundred thirty-nine".