268489799 has 2 divisors, whose sum is σ = 268489800. Its totient is φ = 268489798.

The previous prime is 268489783. The next prime is 268489829. The reversal of 268489799 is 997984862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268489799 - 2⁴ = 268489783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268489769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134244899 + 134244900.

It is an arithmetic number, because the mean of its divisors is an integer number (134244900).

Almost surely, 2^268489799 is an apocalyptic number.

268489799 is a deficient number, since it is larger than the sum of its proper divisors (1).

268489799 is an equidigital number, since it uses as much as digits as its factorization.

268489799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 62.

The square root of 268489799 is about 16385.6583328226. The cubic root of 268489799 is about 645.1231053209.

The spelling of 268489799 in words is "two hundred sixty-eight million, four hundred eighty-nine thousand, seven hundred ninety-nine".