268884149 has 2 divisors, whose sum is σ = 268884150. Its totient is φ = 268884148.

The previous prime is 268884139. The next prime is 268884167. The reversal of 268884149 is 941488862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194407249 + 74476900 = 13943^2 + 8630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268884149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 268884097 and 268884106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268884139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134442074 + 134442075.

It is an arithmetic number, because the mean of its divisors is an integer number (134442075).

Almost surely, 2^268884149 is an apocalyptic number.

It is an amenable number.

268884149 is a deficient number, since it is larger than the sum of its proper divisors (1).

268884149 is an equidigital number, since it uses as much as digits as its factorization.

268884149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 50.

The square root of 268884149 is about 16397.6873064466. The cubic root of 268884149 is about 645.4387968235.

The spelling of 268884149 in words is "two hundred sixty-eight million, eight hundred eighty-four thousand, one hundred forty-nine".