268999103 has 2 divisors, whose sum is σ = 268999104. Its totient is φ = 268999102.

The previous prime is 268999067. The next prime is 268999151. The reversal of 268999103 is 301999862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268999103 - 2⁶ = 268999039 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 (268999903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134499551 + 134499552.

It is an arithmetic number, because the mean of its divisors is an integer number (134499552).

Almost surely, 2^268999103 is an apocalyptic number.

268999103 is a deficient number, since it is larger than the sum of its proper divisors (1).

268999103 is an equidigital number, since it uses as much as digits as its factorization.

268999103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 268999103 is about 16401.1921213063. The cubic root of 268999103 is about 645.5307635693.

The spelling of 268999103 in words is "two hundred sixty-eight million, nine hundred ninety-nine thousand, one hundred three".