17159240293 has 18 divisors (see below), whose sum is σ = 18905178194. Its totient is φ = 15482237664.

The previous prime is 17159240269. The next prime is 17159240389. The reversal of 17159240293 is 39204295171.

It can be written as a sum of positive squares in 3 ways, for example, as 1833295489 + 15325944804 = 42817^2 + 123798^2 .

It is not a de Polignac number, because 17159240293 - 2⁵ = 17159240261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17159240243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22197855 + ... + 22198627.

Almost surely, 2^17159240293 is an apocalyptic number.

17159240293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17159240293 is a deficient number, since it is larger than the sum of its proper divisors (1745937901).

17159240293 is an frugal number, since it uses more digits than its factorization.

17159240293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 17159240293 in words is "seventeen billion, one hundred fifty-nine million, two hundred forty thousand, two hundred ninety-three".