17372989519 has 2 divisors, whose sum is σ = 17372989520. Its totient is φ = 17372989518.

The previous prime is 17372989399. The next prime is 17372989531. The reversal of 17372989519 is 91598927371.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17372989519 is a prime.

It is a super-2 number, since 2×17372989519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17372980519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8686494759 + 8686494760.

It is an arithmetic number, because the mean of its divisors is an integer number (8686494760).

Almost surely, 2^17372989519 is an apocalyptic number.

17372989519 is a deficient number, since it is larger than the sum of its proper divisors (1).

17372989519 is an equidigital number, since it uses as much as digits as its factorization.

17372989519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 61.

The spelling of 17372989519 in words is "seventeen billion, three hundred seventy-two million, nine hundred eighty-nine thousand, five hundred nineteen".