268494943 has 4 divisors (see below), whose sum is σ = 269667640. Its totient is φ = 267322248.

The previous prime is 268494911. The next prime is 268494959. The reversal of 268494943 is 349494862.

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 268494943 - 2⁵ = 268494911 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 (268494983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586005 + ... + 586462.

It is an arithmetic number, because the mean of its divisors is an integer number (67416910).

Almost surely, 2^268494943 is an apocalyptic number.

268494943 is a deficient number, since it is larger than the sum of its proper divisors (1172697).

268494943 is a wasteful number, since it uses less digits than its factorization.

268494943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172696.

The product of its digits is 1492992, while the sum is 49.

The square root of 268494943 is about 16385.8152986051. The cubic root of 268494943 is about 645.1272252689.

The spelling of 268494943 in words is "two hundred sixty-eight million, four hundred ninety-four thousand, nine hundred forty-three".