45239361191 has 4 divisors (see below), whose sum is σ = 45249552384. Its totient is φ = 45229170000.

The previous prime is 45239361187. The next prime is 45239361229. The reversal of 45239361191 is 19116393254.

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 45239361191 - 2² = 45239361187 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 (45239361491) 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, 5088935 + ... + 5097816.

It is an arithmetic number, because the mean of its divisors is an integer number (11312388096).

Almost surely, 2^45239361191 is an apocalyptic number.

45239361191 is a deficient number, since it is larger than the sum of its proper divisors (10191193).

45239361191 is a wasteful number, since it uses less digits than its factorization.

45239361191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191192.

The product of its digits is 174960, while the sum is 44.

The spelling of 45239361191 in words is "forty-five billion, two hundred thirty-nine million, three hundred sixty-one thousand, one hundred ninety-one".