17372989399 has 2 divisors, whose sum is σ = 17372989400. Its totient is φ = 17372989398.

The previous prime is 17372989393. The next prime is 17372989519. The reversal of 17372989399 is 99398927371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17372989399 - 2¹⁵ = 17372956631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17372989393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8686494699 + 8686494700.

It is an arithmetic number, because the mean of its divisors is an integer number (8686494700).

Almost surely, 2^17372989399 is an apocalyptic number.

17372989399 is a deficient number, since it is larger than the sum of its proper divisors (1).

17372989399 is an equidigital number, since it uses as much as digits as its factorization.

17372989399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46294416, while the sum is 67.

The spelling of 17372989399 in words is "seventeen billion, three hundred seventy-two million, nine hundred eighty-nine thousand, three hundred ninety-nine".