268586693 has 4 divisors (see below), whose sum is σ = 268651488. Its totient is φ = 268521900.

The previous prime is 268586687. The next prime is 268586707. The reversal of 268586693 is 396685862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268586693 - 2⁶ = 268586629 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 (268580693) 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, 25721 + ... + 34622.

It is an arithmetic number, because the mean of its divisors is an integer number (67162872).

Almost surely, 2^268586693 is an apocalyptic number.

It is an amenable number.

268586693 is a deficient number, since it is larger than the sum of its proper divisors (64795).

268586693 is an equidigital number, since it uses as much as digits as its factorization.

268586693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64794.

The product of its digits is 3732480, while the sum is 53.

The square root of 268586693 is about 16388.6147370667. The cubic root of 268586693 is about 645.2007011184.

The spelling of 268586693 in words is "two hundred sixty-eight million, five hundred eighty-six thousand, six hundred ninety-three".