268291049 has 8 divisors (see below), whose sum is σ = 290640840. Its totient is φ = 247651248.

The previous prime is 268291007. The next prime is 268291063. The reversal of 268291049 is 940192862.

It can be written as a sum of positive squares in 4 ways, for example, as 28815424 + 239475625 = 5368^2 + 15475^2 .

It is not a de Polignac number, because 268291049 - 2⁸ = 268290793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268290997 and 268291015.

It is not an unprimeable number, because it can be changed into a prime (268291069) 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, 58862 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (36330105).

Almost surely, 2^268291049 is an apocalyptic number.

It is an amenable number.

268291049 is a deficient number, since it is larger than the sum of its proper divisors (22349791).

268291049 is an equidigital number, since it uses as much as digits as its factorization.

268291049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122156 (or 122130 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 268291049 is about 16379.5924552475. The cubic root of 268291049 is about 644.9638815582.

The spelling of 268291049 in words is "two hundred sixty-eight million, two hundred ninety-one thousand, forty-nine".