45189531193 has 4 divisors (see below), whose sum is σ = 45191941200. Its totient is φ = 45187121188.

The previous prime is 45189531181. The next prime is 45189531227. The reversal of 45189531193 is 39113598154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45189531193 - 2⁵ = 45189531161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45189531133) 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, 1176655 + ... + 1214452.

It is an arithmetic number, because the mean of its divisors is an integer number (11297985300).

Almost surely, 2^45189531193 is an apocalyptic number.

It is an amenable number.

45189531193 is a deficient number, since it is larger than the sum of its proper divisors (2410007).

45189531193 is a wasteful number, since it uses less digits than its factorization.

45189531193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410006.

The product of its digits is 583200, while the sum is 49.

The spelling of 45189531193 in words is "forty-five billion, one hundred eighty-nine million, five hundred thirty-one thousand, one hundred ninety-three".