268742711 has 4 divisors (see below), whose sum is σ = 272424192. Its totient is φ = 265061232.

The previous prime is 268742693. The next prime is 268742717. The reversal of 268742711 is 117247862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117247862 = 2 ⋅58623931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268742711 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 (268742717) 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, 1840631 + ... + 1840776.

It is an arithmetic number, because the mean of its divisors is an integer number (68106048).

Almost surely, 2^268742711 is an apocalyptic number.

268742711 is a deficient number, since it is larger than the sum of its proper divisors (3681481).

268742711 is an equidigital number, since it uses as much as digits as its factorization.

268742711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681480.

The product of its digits is 37632, while the sum is 38.

The square root of 268742711 is about 16393.3739968318. The cubic root of 268742711 is about 645.3256060878.

The spelling of 268742711 in words is "two hundred sixty-eight million, seven hundred forty-two thousand, seven hundred eleven".