17897353793399 has 2 divisors, whose sum is σ = 17897353793400. Its totient is φ = 17897353793398.

The previous prime is 17897353793339. The next prime is 17897353793401. The reversal of 17897353793399 is 99339735379871.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17897353793399 - 2³² = 17893058826103 is a prime.

Together with 17897353793401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17897353793329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8948676896699 + 8948676896700.

It is an arithmetic number, because the mean of its divisors is an integer number (8948676896700).

Almost surely, 2^{17897353793399} is an apocalyptic number.

17897353793399 is a deficient number, since it is larger than the sum of its proper divisors (1).

17897353793399 is an equidigital number, since it uses as much as digits as its factorization.

17897353793399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7291370520, while the sum is 83.

The spelling of 17897353793399 in words is "seventeen trillion, eight hundred ninety-seven billion, three hundred fifty-three million, seven hundred ninety-three thousand, three hundred ninety-nine".