268934693 has 4 divisors (see below), whose sum is σ = 269250828. Its totient is φ = 268618560.

The previous prime is 268934671. The next prime is 268934707. The reversal of 268934693 is 396439862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147428164 + 121506529 = 12142^2 + 11023^2 .

It is a cyclic number.

It is not a de Polignac number, because 268934693 - 2⁸ = 268934437 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 (268936693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156788 + ... + 158493.

It is an arithmetic number, because the mean of its divisors is an integer number (67312707).

Almost surely, 2^268934693 is an apocalyptic number.

It is an amenable number.

268934693 is a deficient number, since it is larger than the sum of its proper divisors (316135).

268934693 is an equidigital number, since it uses as much as digits as its factorization.

268934693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316134.

The product of its digits is 1679616, while the sum is 50.

The square root of 268934693 is about 16399.2284269718. The cubic root of 268934693 is about 645.4792368107.

The spelling of 268934693 in words is "two hundred sixty-eight million, nine hundred thirty-four thousand, six hundred ninety-three".