199802699 has 2 divisors, whose sum is σ = 199802700. Its totient is φ = 199802698.

The previous prime is 199802621. The next prime is 199802767. The reversal of 199802699 is 996208991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199802699 - 2¹⁶ = 199737163 is a prime.

It is a super-2 number, since 2×199802699² = 79842237055369202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199802699.

It is not a weakly prime, because it can be changed into another prime (199802399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99901349 + 99901350.

It is an arithmetic number, because the mean of its divisors is an integer number (99901350).

Almost surely, 2^199802699 is an apocalyptic number.

199802699 is a deficient number, since it is larger than the sum of its proper divisors (1).

199802699 is an equidigital number, since it uses as much as digits as its factorization.

199802699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 199802699 is about 14135.1582587532. The cubic root of 199802699 is about 584.6111804971.

The spelling of 199802699 in words is "one hundred ninety-nine million, eight hundred two thousand, six hundred ninety-nine".