5117748945 has 16 divisors (see below), whose sum is σ = 8388116352. Its totient is φ = 2662893440.

The previous prime is 5117748919. The next prime is 5117748947. The reversal of 5117748945 is 5498477115.

It is not a de Polignac number, because 5117748945 - 2⁷ = 5117748817 is a prime.

It is a super-2 number, since 2×5117748945² = 52382708528097226050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5117748947) 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, 4160157 + ... + 4161386.

It is an arithmetic number, because the mean of its divisors is an integer number (524257272).

Almost surely, 2^5117748945 is an apocalyptic number.

It is an amenable number.

5117748945 is a deficient number, since it is larger than the sum of its proper divisors (3270367407).

5117748945 is a wasteful number, since it uses less digits than its factorization.

5117748945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321592.

The product of its digits is 1411200, while the sum is 51.

The square root of 5117748945 is about 71538.4438256802. The cubic root of 5117748945 is about 1723.2951238015.

The spelling of 5117748945 in words is "five billion, one hundred seventeen million, seven hundred forty-eight thousand, nine hundred forty-five".