199136359297 has 2 divisors, whose sum is σ = 199136359298. Its totient is φ = 199136359296.

The previous prime is 199136359273. The next prime is 199136359327. The reversal of 199136359297 is 792953631991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191941248321 + 7195110976 = 438111^2 + 84824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199136359297 is a prime.

It is not a weakly prime, because it can be changed into another prime (199136359217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99568179648 + 99568179649.

It is an arithmetic number, because the mean of its divisors is an integer number (99568179649).

Almost surely, 2^199136359297 is an apocalyptic number.

It is an amenable number.

199136359297 is a deficient number, since it is larger than the sum of its proper divisors (1).

199136359297 is an equidigital number, since it uses as much as digits as its factorization.

199136359297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24800580, while the sum is 64.

The spelling of 199136359297 in words is "one hundred ninety-nine billion, one hundred thirty-six million, three hundred fifty-nine thousand, two hundred ninety-seven".