268354949 has 2 divisors, whose sum is σ = 268354950. Its totient is φ = 268354948.

The previous prime is 268354927. The next prime is 268354967. The reversal of 268354949 is 949453862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 134142724 = 11585^2 + 11582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268354949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268354897 and 268354906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268354049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134177474 + 134177475.

It is an arithmetic number, because the mean of its divisors is an integer number (134177475).

Almost surely, 2^268354949 is an apocalyptic number.

It is an amenable number.

268354949 is a deficient number, since it is larger than the sum of its proper divisors (1).

268354949 is an equidigital number, since it uses as much as digits as its factorization.

268354949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 50.

The square root of 268354949 is about 16381.5429370984. The cubic root of 268354949 is about 645.0150820743.

The spelling of 268354949 in words is "two hundred sixty-eight million, three hundred fifty-four thousand, nine hundred forty-nine".