268962469 has 2 divisors, whose sum is σ = 268962470. Its totient is φ = 268962468.

The previous prime is 268962427. The next prime is 268962503. The reversal of 268962469 is 964269862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227617569 + 41344900 = 15087^2 + 6430^2 .

It is a cyclic number.

It is not a de Polignac number, because 268962469 - 2²³ = 260573861 is a prime.

It is a super-2 number, since 2×268962469² = 144681619461151922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268962409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134481234 + 134481235.

It is an arithmetic number, because the mean of its divisors is an integer number (134481235).

Almost surely, 2^268962469 is an apocalyptic number.

It is an amenable number.

268962469 is a deficient number, since it is larger than the sum of its proper divisors (1).

268962469 is an equidigital number, since it uses as much as digits as its factorization.

268962469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The square root of 268962469 is about 16400.0752742175. The cubic root of 268962469 is about 645.5014580842.

The spelling of 268962469 in words is "two hundred sixty-eight million, nine hundred sixty-two thousand, four hundred sixty-nine".