45417812847 has 16 divisors (see below), whose sum is σ = 68193315840. Its totient is φ = 26638012800.

The previous prime is 45417812809. The next prime is 45417812873. The reversal of 45417812847 is 74821871454.

It is not a de Polignac number, because 45417812847 - 2²⁰ = 45416764271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45417812847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45417812807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22197322 + ... + 22199367.

It is an arithmetic number, because the mean of its divisors is an integer number (4262082240).

Almost surely, 2^45417812847 is an apocalyptic number.

45417812847 is a deficient number, since it is larger than the sum of its proper divisors (22775502993).

45417812847 is a wasteful number, since it uses less digits than its factorization.

45417812847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44396734.

The product of its digits is 2007040, while the sum is 51.

The spelling of 45417812847 in words is "forty-five billion, four hundred seventeen million, eight hundred twelve thousand, eight hundred forty-seven".