45169197539 has 4 divisors (see below), whose sum is σ = 45169671456. Its totient is φ = 45168723624.

The previous prime is 45169197527. The next prime is 45169197569. The reversal of 45169197539 is 93579196154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45169197539 - 2²⁴ = 45152420323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45169197569) 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, 38699 + ... + 303044.

It is an arithmetic number, because the mean of its divisors is an integer number (11292417864).

Almost surely, 2^45169197539 is an apocalyptic number.

45169197539 is a deficient number, since it is larger than the sum of its proper divisors (473917).

45169197539 is a wasteful number, since it uses less digits than its factorization.

45169197539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473916.

The product of its digits is 9185400, while the sum is 59.

The spelling of 45169197539 in words is "forty-five billion, one hundred sixty-nine million, one hundred ninety-seven thousand, five hundred thirty-nine".