5209618117 has 16 divisors (see below), whose sum is σ = 5728180032. Its totient is φ = 4698645120.

The previous prime is 5209618097. The next prime is 5209618121. The reversal of 5209618117 is 7118169025.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5209618117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5209618117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209618147) 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, 1357233 + ... + 1361065.

It is an arithmetic number, because the mean of its divisors is an integer number (358011252).

Almost surely, 2^5209618117 is an apocalyptic number.

It is an amenable number.

5209618117 is a deficient number, since it is larger than the sum of its proper divisors (518561915).

5209618117 is a wasteful number, since it uses less digits than its factorization.

5209618117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 5209618117 is about 72177.6843421843. The cubic root of 5209618117 is about 1733.5457052369.

It can be divided in two parts, 5209 and 618117, that added together give a palindrome (623326).

The spelling of 5209618117 in words is "five billion, two hundred nine million, six hundred eighteen thousand, one hundred seventeen".