45347171937 has 4 divisors (see below), whose sum is σ = 60462895920. Its totient is φ = 30231447956.

The previous prime is 45347171897. The next prime is 45347171939. The reversal of 45347171937 is 73917174354.

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 45347171937 - 2¹² = 45347167841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45347171937.

It is not an unprimeable number, because it can be changed into a prime (45347171939) 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, 7557861987 + ... + 7557861992.

It is an arithmetic number, because the mean of its divisors is an integer number (15115723980).

Almost surely, 2^45347171937 is an apocalyptic number.

It is an amenable number.

45347171937 is a deficient number, since it is larger than the sum of its proper divisors (15115723983).

45347171937 is a wasteful number, since it uses less digits than its factorization.

45347171937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115723982.

The product of its digits is 2222640, while the sum is 51.

The spelling of 45347171937 in words is "forty-five billion, three hundred forty-seven million, one hundred seventy-one thousand, nine hundred thirty-seven".