299104909 has 2 divisors, whose sum is σ = 299104910. Its totient is φ = 299104908.

The previous prime is 299104907. The next prime is 299104913. The reversal of 299104909 is 909401992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239475625 + 59629284 = 15475^2 + 7722^2 .

It is a cyclic number.

It is not a de Polignac number, because 299104909 - 2¹ = 299104907 is a prime.

Together with 299104907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299104901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149552454 + 149552455.

It is an arithmetic number, because the mean of its divisors is an integer number (149552455).

Almost surely, 2^299104909 is an apocalyptic number.

It is an amenable number.

299104909 is a deficient number, since it is larger than the sum of its proper divisors (1).

299104909 is an equidigital number, since it uses as much as digits as its factorization.

299104909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 299104909 is about 17294.6497218070. The cubic root of 299104909 is about 668.7665052671.

The spelling of 299104909 in words is "two hundred ninety-nine million, one hundred four thousand, nine hundred nine".