45509549565 has 8 divisors (see below), whose sum is σ = 72815279328. Its totient is φ = 24271759760.

The previous prime is 45509549557. The next prime is 45509549567. The reversal of 45509549565 is 56594590554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45509549565 - 2³ = 45509549557 is a prime.

It is a super-2 number, since 2×45509549565² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45509549567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516984971 + ... + 1516985000.

It is an arithmetic number, because the mean of its divisors is an integer number (9101909916).

Almost surely, 2^45509549565 is an apocalyptic number.

It is an amenable number.

45509549565 is a deficient number, since it is larger than the sum of its proper divisors (27305729763).

45509549565 is a wasteful number, since it uses less digits than its factorization.

45509549565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033969979.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 45509549565 in words is "forty-five billion, five hundred nine million, five hundred forty-nine thousand, five hundred sixty-five".