269243239 has 2 divisors, whose sum is σ = 269243240. Its totient is φ = 269243238.

The previous prime is 269243197. The next prime is 269243309. The reversal of 269243239 is 932342962.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269243239 is a prime.

It is a super-2 number, since 2×269243239² = 144983843494422242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269243839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134621619 + 134621620.

It is an arithmetic number, because the mean of its divisors is an integer number (134621620).

Almost surely, 2^269243239 is an apocalyptic number.

269243239 is a deficient number, since it is larger than the sum of its proper divisors (1).

269243239 is an equidigital number, since it uses as much as digits as its factorization.

269243239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 269243239 is about 16408.6330631165. The cubic root of 269243239 is about 645.7259930252.

The spelling of 269243239 in words is "two hundred sixty-nine million, two hundred forty-three thousand, two hundred thirty-nine".