199702299310247 has 2 divisors, whose sum is σ = 199702299310248. Its totient is φ = 199702299310246.

The previous prime is 199702299310201. The next prime is 199702299310289. The reversal of 199702299310247 is 742013992207991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199702299310247 - 2²⁶ = 199702232201383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199702290310247) 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, 99851149655123 + 99851149655124.

It is an arithmetic number, because the mean of its divisors is an integer number (99851149655124).

Almost surely, 2^{199702299310247} is an apocalyptic number.

199702299310247 is a deficient number, since it is larger than the sum of its proper divisors (1).

199702299310247 is an equidigital number, since it uses as much as digits as its factorization.

199702299310247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The spelling of 199702299310247 in words is "one hundred ninety-nine trillion, seven hundred two billion, two hundred ninety-nine million, three hundred ten thousand, two hundred forty-seven".