268091369 has 32 divisors (see below), whose sum is σ = 340859904. Its totient is φ = 205208640.

The previous prime is 268091363. The next prime is 268091393. The reversal of 268091369 is 963190862.

It is not a de Polignac number, because 268091369 - 2²⁴ = 251314153 is a prime.

It is a super-2 number, since 2×268091369² = 143745964264588322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268091363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512342 + ... + 512864.

It is an arithmetic number, because the mean of its divisors is an integer number (10651872).

Almost surely, 2^268091369 is an apocalyptic number.

It is an amenable number.

268091369 is a deficient number, since it is larger than the sum of its proper divisors (72768535).

268091369 is a wasteful number, since it uses less digits than its factorization.

268091369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 268091369 is about 16373.4959309245. The cubic root of 268091369 is about 644.8038335407.

It can be divided in two parts, 2680 and 91369, that added together give a palindrome (94049).

The spelling of 268091369 in words is "two hundred sixty-eight million, ninety-one thousand, three hundred sixty-nine".