204650099 has 2 divisors, whose sum is σ = 204650100. Its totient is φ = 204650098.

The previous prime is 204650081. The next prime is 204650123. The reversal of 204650099 is 990056402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204650099 - 2¹² = 204646003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204650009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102325049 + 102325050.

It is an arithmetic number, because the mean of its divisors is an integer number (102325050).

Almost surely, 2^204650099 is an apocalyptic number.

204650099 is a deficient number, since it is larger than the sum of its proper divisors (1).

204650099 is an equidigital number, since it uses as much as digits as its factorization.

204650099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 204650099 is about 14305.5967718932. The cubic root of 204650099 is about 589.3011921794.

The spelling of 204650099 in words is "two hundred four million, six hundred fifty thousand, ninety-nine".