268969469 has 2 divisors, whose sum is σ = 268969470. Its totient is φ = 268969468.

The previous prime is 268969451. The next prime is 268969489. The reversal of 268969469 is 964969862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180364900 + 88604569 = 13430^2 + 9413^2 .

It is a cyclic number.

It is not a de Polignac number, because 268969469 - 2⁸ = 268969213 is a prime.

It is a super-2 number, since 2×268969469² = 144689150508283922, 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 (268969489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134484734 + 134484735.

It is an arithmetic number, because the mean of its divisors is an integer number (134484735).

Almost surely, 2^268969469 is an apocalyptic number.

It is an amenable number.

268969469 is a deficient number, since it is larger than the sum of its proper divisors (1).

268969469 is an equidigital number, since it uses as much as digits as its factorization.

268969469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 59.

The square root of 268969469 is about 16400.2886864835. The cubic root of 268969469 is about 645.5070579621.

The spelling of 268969469 in words is "two hundred sixty-eight million, nine hundred sixty-nine thousand, four hundred sixty-nine".