17973598859 has 24 divisors (see below), whose sum is σ = 19274324160. Its totient is φ = 16749234432.

The previous prime is 17973598849. The next prime is 17973598889. The reversal of 17973598859 is 95889537971.

It is not a de Polignac number, because 17973598859 - 2⁸ = 17973598603 is a prime.

It is a super-2 number, since 2×17973598859² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17973598792 and 17973598801.

It is not an unprimeable number, because it can be changed into a prime (17973598829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2882357 + ... + 2888585.

It is an arithmetic number, because the mean of its divisors is an integer number (803096840).

Almost surely, 2^17973598859 is an apocalyptic number.

17973598859 is a deficient number, since it is larger than the sum of its proper divisors (1300725301).

17973598859 is an equidigital number, since it uses as much as digits as its factorization.

17973598859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6378 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 71.

The spelling of 17973598859 in words is "seventeen billion, nine hundred seventy-three million, five hundred ninety-eight thousand, eight hundred fifty-nine".