45591418691 has 16 divisors (see below), whose sum is σ = 57171248064. Its totient is φ = 35391717504.

The previous prime is 45591418687. The next prime is 45591418709. The reversal of 45591418691 is 19681419554.

It is not a de Polignac number, because 45591418691 - 2² = 45591418687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (45591418291) 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, 4721636 + ... + 4731281.

It is an arithmetic number, because the mean of its divisors is an integer number (3573203004).

Almost surely, 2^45591418691 is an apocalyptic number.

45591418691 is a deficient number, since it is larger than the sum of its proper divisors (11579829373).

45591418691 is a wasteful number, since it uses less digits than its factorization.

45591418691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452990.

The product of its digits is 1555200, while the sum is 53.

The spelling of 45591418691 in words is "forty-five billion, five hundred ninety-one million, four hundred eighteen thousand, six hundred ninety-one".