269130209 has 2 divisors, whose sum is σ = 269130210. Its totient is φ = 269130208.

The previous prime is 269130157. The next prime is 269130217. The reversal of 269130209 is 902031962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241336225 + 27793984 = 15535^2 + 5272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269130209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (269130229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134565104 + 134565105.

It is an arithmetic number, because the mean of its divisors is an integer number (134565105).

Almost surely, 2^269130209 is an apocalyptic number.

It is an amenable number.

269130209 is a deficient number, since it is larger than the sum of its proper divisors (1).

269130209 is an equidigital number, since it uses as much as digits as its factorization.

269130209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 269130209 is about 16405.1884780395. The cubic root of 269130209 is about 645.6356204374.

The spelling of 269130209 in words is "two hundred sixty-nine million, one hundred thirty thousand, two hundred nine".