268999411 has 2 divisors, whose sum is σ = 268999412. Its totient is φ = 268999410.

The previous prime is 268999343. The next prime is 268999417. The reversal of 268999411 is 114999862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268999411 - 2²⁷ = 134781683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268999417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134499705 + 134499706.

It is an arithmetic number, because the mean of its divisors is an integer number (134499706).

Almost surely, 2^268999411 is an apocalyptic number.

268999411 is a deficient number, since it is larger than the sum of its proper divisors (1).

268999411 is an equidigital number, since it uses as much as digits as its factorization.

268999411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 268999411 is about 16401.2015108650. The cubic root of 268999411 is about 645.5310099436.

The spelling of 268999411 in words is "two hundred sixty-eight million, nine hundred ninety-nine thousand, four hundred eleven".