268996673 has 6 divisors (see below), whose sum is σ = 295674162. Its totient is φ = 244542320.

The previous prime is 268996643. The next prime is 268996723. The reversal of 268996673 is 376699862.

It can be written as a sum of positive squares in only one way, i.e., 215003569 + 53993104 = 14663^2 + 7348^2 .

It is not a de Polignac number, because 268996673 - 2¹⁴ = 268980289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268996643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111436 + ... + 1111677.

It is an arithmetic number, because the mean of its divisors is an integer number (49279027).

Almost surely, 2^268996673 is an apocalyptic number.

It is an amenable number.

268996673 is a deficient number, since it is larger than the sum of its proper divisors (26677489).

268996673 is a wasteful number, since it uses less digits than its factorization.

268996673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223135 (or 2223124 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The square root of 268996673 is about 16401.1180411580. The cubic root of 268996673 is about 645.5288197654.

The spelling of 268996673 in words is "two hundred sixty-eight million, nine hundred ninety-six thousand, six hundred seventy-three".