17208294979 has 2 divisors, whose sum is σ = 17208294980. Its totient is φ = 17208294978.

The previous prime is 17208294973. The next prime is 17208295019. The reversal of 17208294979 is 97949280271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17208294979 - 2²³ = 17199906371 is a prime.

It is a super-2 number, since 2×17208294979² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17208294973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8604147489 + 8604147490.

It is an arithmetic number, because the mean of its divisors is an integer number (8604147490).

Almost surely, 2^17208294979 is an apocalyptic number.

17208294979 is a deficient number, since it is larger than the sum of its proper divisors (1).

17208294979 is an equidigital number, since it uses as much as digits as its factorization.

17208294979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 17208294979 in words is "seventeen billion, two hundred eight million, two hundred ninety-four thousand, nine hundred seventy-nine".