268511969 has 8 divisors (see below), whose sum is σ = 293075712. Its totient is φ = 243973840.

The previous prime is 268511951. The next prime is 268511977. The reversal of 268511969 is 969115862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268511969 - 2⁸ = 268511713 is a prime.

It is a super-2 number, since 2×268511969² = 144197354992513922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268511869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20432 + ... + 30894.

It is an arithmetic number, because the mean of its divisors is an integer number (36634464).

Almost surely, 2^268511969 is an apocalyptic number.

It is an amenable number.

268511969 is a deficient number, since it is larger than the sum of its proper divisors (24563743).

268511969 is a wasteful number, since it uses less digits than its factorization.

268511969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12807.

The product of its digits is 233280, while the sum is 47.

The square root of 268511969 is about 16386.3348250913. The cubic root of 268511969 is about 645.1408614090.

The spelling of 268511969 in words is "two hundred sixty-eight million, five hundred eleven thousand, nine hundred sixty-nine".