17713118397 has 32 divisors (see below), whose sum is σ = 27022560768. Its totient is φ = 10224055296.

The previous prime is 17713118377. The next prime is 17713118407. The reversal of 17713118397 is 79381131771.

It is not a de Polignac number, because 17713118397 - 2²⁶ = 17646009533 is a prime.

It is a super-2 number, since 2×17713118397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17713118327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148668 + ... + 239850.

It is an arithmetic number, because the mean of its divisors is an integer number (844455024).

Almost surely, 2^17713118397 is an apocalyptic number.

17713118397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17713118397 is a deficient number, since it is larger than the sum of its proper divisors (9309442371).

17713118397 is a wasteful number, since it uses less digits than its factorization.

17713118397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91509.

The product of its digits is 222264, while the sum is 48.

The spelling of 17713118397 in words is "seventeen billion, seven hundred thirteen million, one hundred eighteen thousand, three hundred ninety-seven".