199936244314057 has 2 divisors, whose sum is σ = 199936244314058. Its totient is φ = 199936244314056.

The previous prime is 199936244313989. The next prime is 199936244314117. The reversal of 199936244314057 is 750413442639991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142892951918656 + 57043292395401 = 11953784^2 + 7552701^2 .

It is a cyclic number.

It is not a de Polignac number, because 199936244314057 - 2⁷ = 199936244313929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199936244313983 and 199936244314001.

It is not a weakly prime, because it can be changed into another prime (199936244324057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99968122157028 + 99968122157029.

It is an arithmetic number, because the mean of its divisors is an integer number (99968122157029).

Almost surely, 2^{199936244314057} is an apocalyptic number.

It is an amenable number.

199936244314057 is a deficient number, since it is larger than the sum of its proper divisors (1).

199936244314057 is an equidigital number, since it uses as much as digits as its factorization.

199936244314057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 199936244314057 in words is "one hundred ninety-nine trillion, nine hundred thirty-six billion, two hundred forty-four million, three hundred fourteen thousand, fifty-seven".