45317917961 has 4 divisors (see below), whose sum is σ = 45379242000. Its totient is φ = 45256593924.

The previous prime is 45317917937. The next prime is 45317917973. The reversal of 45317917961 is 16971971354.

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 a de Polignac number, because none of the positive numbers 2^k-45317917961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45317917991) 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, 30660911 + ... + 30662388.

It is an arithmetic number, because the mean of its divisors is an integer number (11344810500).

Almost surely, 2^45317917961 is an apocalyptic number.

It is an amenable number.

45317917961 is a deficient number, since it is larger than the sum of its proper divisors (61324039).

45317917961 is an equidigital number, since it uses as much as digits as its factorization.

45317917961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61324038.

The product of its digits is 1428840, while the sum is 53.

The spelling of 45317917961 in words is "forty-five billion, three hundred seventeen million, nine hundred seventeen thousand, nine hundred sixty-one".