199992930342917 has 2 divisors, whose sum is σ = 199992930342918. Its totient is φ = 199992930342916.

The previous prime is 199992930342899. The next prime is 199992930342929. The reversal of 199992930342917 is 719243039299991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153214908756001 + 46778021586916 = 12378001^2 + 6839446^2 .

It is a cyclic number.

It is not a de Polignac number, because 199992930342917 - 2⁴⁰ = 198893418715141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199992930341917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99996465171458 + 99996465171459.

It is an arithmetic number, because the mean of its divisors is an integer number (99996465171459).

Almost surely, 2^{199992930342917} is an apocalyptic number.

It is an amenable number.

199992930342917 is a deficient number, since it is larger than the sum of its proper divisors (1).

199992930342917 is an equidigital number, since it uses as much as digits as its factorization.

199992930342917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 535692528, while the sum is 77.

The spelling of 199992930342917 in words is "one hundred ninety-nine trillion, nine hundred ninety-two billion, nine hundred thirty million, three hundred forty-two thousand, nine hundred seventeen".