268968199 has 4 divisors (see below), whose sum is σ = 283124440. Its totient is φ = 254811960.

The previous prime is 268968191. The next prime is 268968209. The reversal of 268968199 is 991869862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268968199 - 2³ = 268968191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268968191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7078092 + ... + 7078129.

It is an arithmetic number, because the mean of its divisors is an integer number (70781110).

Almost surely, 2^268968199 is an apocalyptic number.

268968199 is a deficient number, since it is larger than the sum of its proper divisors (14156241).

268968199 is a wasteful number, since it uses less digits than its factorization.

268968199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156240.

The product of its digits is 3359232, while the sum is 58.

The square root of 268968199 is about 16400.2499676072. The cubic root of 268968199 is about 645.5060419915.

The spelling of 268968199 in words is "two hundred sixty-eight million, nine hundred sixty-eight thousand, one hundred ninety-nine".