268343611 has 4 divisors (see below), whose sum is σ = 273406752. Its totient is φ = 263280472.

The previous prime is 268343609. The next prime is 268343627. The reversal of 268343611 is 116343862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116343862 = 2 ⋅58171931.

It is a cyclic number.

It is not a de Polignac number, because 268343611 - 2¹ = 268343609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268343651) 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, 2531491 + ... + 2531596.

It is an arithmetic number, because the mean of its divisors is an integer number (68351688).

Almost surely, 2^268343611 is an apocalyptic number.

268343611 is a deficient number, since it is larger than the sum of its proper divisors (5063141).

268343611 is an equidigital number, since it uses as much as digits as its factorization.

268343611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063140.

The product of its digits is 20736, while the sum is 34.

The square root of 268343611 is about 16381.1968732446. The cubic root of 268343611 is about 645.0059979812.

The spelling of 268343611 in words is "two hundred sixty-eight million, three hundred forty-three thousand, six hundred eleven".