204119191 has 2 divisors, whose sum is σ = 204119192. Its totient is φ = 204119190.

The previous prime is 204119171. The next prime is 204119203. The reversal of 204119191 is 191911402.

204119191 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 204119191 - 2⁹ = 204118679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204119141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102059595 + 102059596.

It is an arithmetic number, because the mean of its divisors is an integer number (102059596).

Almost surely, 2^204119191 is an apocalyptic number.

204119191 is a deficient number, since it is larger than the sum of its proper divisors (1).

204119191 is an equidigital number, since it uses as much as digits as its factorization.

204119191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 204119191 is about 14287.0287673820. The cubic root of 204119191 is about 588.7911579691.

The spelling of 204119191 in words is "two hundred four million, one hundred nineteen thousand, one hundred ninety-one".