269538431 has 2 divisors, whose sum is σ = 269538432. Its totient is φ = 269538430.

The previous prime is 269538421. The next prime is 269538487. The reversal of 269538431 is 134835962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 269538431 - 2²² = 265344127 is a prime.

It is a super-2 number, since 2×269538431² = 145301931571883522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269538421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134769215 + 134769216.

It is an arithmetic number, because the mean of its divisors is an integer number (134769216).

Almost surely, 2^269538431 is an apocalyptic number.

269538431 is a deficient number, since it is larger than the sum of its proper divisors (1).

269538431 is an equidigital number, since it uses as much as digits as its factorization.

269538431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 269538431 is about 16417.6256200463. The cubic root of 269538431 is about 645.9618931344.

The spelling of 269538431 in words is "two hundred sixty-nine million, five hundred thirty-eight thousand, four hundred thirty-one".