45730253691 has 24 divisors (see below), whose sum is σ = 69957242784. Its totient is φ = 28686577920.

The previous prime is 45730253669. The next prime is 45730253693. The reversal of 45730253691 is 19635203754.

45730253691 is a `hidden beast` number, since 45 + 73 + 0 + 2 + 536 + 9 + 1 = 666.

It is not a de Polignac number, because 45730253691 - 2⁵ = 45730253659 is a prime.

It is a super-2 number, since 2×45730253691² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45730253693) 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, 642610 + ... + 710216.

It is an arithmetic number, because the mean of its divisors is an integer number (2914885116).

Almost surely, 2^45730253691 is an apocalyptic number.

45730253691 is a deficient number, since it is larger than the sum of its proper divisors (24226989093).

45730253691 is a wasteful number, since it uses less digits than its factorization.

45730253691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72051 (or 72048 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 45730253691 in words is "forty-five billion, seven hundred thirty million, two hundred fifty-three thousand, six hundred ninety-one".