17897249119 has 2 divisors, whose sum is σ = 17897249120. Its totient is φ = 17897249118.

The previous prime is 17897249099. The next prime is 17897249323. The reversal of 17897249119 is 91194279871.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17897249119 - 2⁷ = 17897248991 is a prime.

It is a super-2 number, since 2×17897249119² (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 (17897249719) 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, 8948624559 + 8948624560.

It is an arithmetic number, because the mean of its divisors is an integer number (8948624560).

Almost surely, 2^17897249119 is an apocalyptic number.

17897249119 is a deficient number, since it is larger than the sum of its proper divisors (1).

17897249119 is an equidigital number, since it uses as much as digits as its factorization.

17897249119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 58.

The spelling of 17897249119 in words is "seventeen billion, eight hundred ninety-seven million, two hundred forty-nine thousand, one hundred nineteen".