199328911 has 2 divisors, whose sum is σ = 199328912. Its totient is φ = 199328910.

The previous prime is 199328897. The next prime is 199328917. The reversal of 199328911 is 119823991.

199328911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199328911 - 2⁷ = 199328783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199328917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99664455 + 99664456.

It is an arithmetic number, because the mean of its divisors is an integer number (99664456).

Almost surely, 2^199328911 is an apocalyptic number.

199328911 is a deficient number, since it is larger than the sum of its proper divisors (1).

199328911 is an equidigital number, since it uses as much as digits as its factorization.

199328911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 43.

The square root of 199328911 is about 14118.3891078267. The cubic root of 199328911 is about 584.1487226391.

The spelling of 199328911 in words is "one hundred ninety-nine million, three hundred twenty-eight thousand, nine hundred eleven".