268410899 has 2 divisors, whose sum is σ = 268410900. Its totient is φ = 268410898.

The previous prime is 268410869. The next prime is 268410907. The reversal of 268410899 is 998014862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268410899 is a prime.

It is a super-3 number, since 3×268410899³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268410809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134205449 + 134205450.

It is an arithmetic number, because the mean of its divisors is an integer number (134205450).

Almost surely, 2^268410899 is an apocalyptic number.

268410899 is a deficient number, since it is larger than the sum of its proper divisors (1).

268410899 is an equidigital number, since it uses as much as digits as its factorization.

268410899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 268410899 is about 16383.2505626936. The cubic root of 268410899 is about 645.0599058996.

The spelling of 268410899 in words is "two hundred sixty-eight million, four hundred ten thousand, eight hundred ninety-nine".