268738569 has 48 divisors (see below), whose sum is σ = 435052800. Its totient is φ = 158479200.

The previous prime is 268738549. The next prime is 268738577. The reversal of 268738569 is 965837862.

It is a happy number.

268738569 is a `hidden beast` number, since 2 + 6 + 8 + 73 + 8 + 569 = 666.

It is not a de Polignac number, because 268738569 - 2⁵ = 268738537 is a prime.

It is a super-2 number, since 2×268738569² = 144440836936335522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268738549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811734 + ... + 812064.

It is an arithmetic number, because the mean of its divisors is an integer number (9063600).

Almost surely, 2^268738569 is an apocalyptic number.

It is an amenable number.

268738569 is a deficient number, since it is larger than the sum of its proper divisors (166314231).

268738569 is a wasteful number, since it uses less digits than its factorization.

268738569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 268738569 is about 16393.2476648161. The cubic root of 268738569 is about 645.3222907081.

It can be divided in two parts, 26873856 and 9, that multiplied together give a square (241864704 = 15552²).

The spelling of 268738569 in words is "two hundred sixty-eight million, seven hundred thirty-eight thousand, five hundred sixty-nine".