199050302317 has 2 divisors, whose sum is σ = 199050302318. Its totient is φ = 199050302316.

The previous prime is 199050302309. The next prime is 199050302351. The reversal of 199050302317 is 713203050991.

199050302317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197048097801 + 2002204516 = 443901^2 + 44746^2 .

It is a cyclic number.

It is not a de Polignac number, because 199050302317 - 2³ = 199050302309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199050302317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199050302377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99525151158 + 99525151159.

It is an arithmetic number, because the mean of its divisors is an integer number (99525151159).

Almost surely, 2^199050302317 is an apocalyptic number.

It is an amenable number.

199050302317 is a deficient number, since it is larger than the sum of its proper divisors (1).

199050302317 is an equidigital number, since it uses as much as digits as its factorization.

199050302317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The spelling of 199050302317 in words is "one hundred ninety-nine billion, fifty million, three hundred two thousand, three hundred seventeen".