268913753 has 2 divisors, whose sum is σ = 268913754. Its totient is φ = 268913752.

The previous prime is 268913741. The next prime is 268913759. The reversal of 268913753 is 357319862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225840784 + 43072969 = 15028^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 268913753 - 2²² = 264719449 is a prime.

It is not a weakly prime, because it can be changed into another prime (268913759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134456876 + 134456877.

It is an arithmetic number, because the mean of its divisors is an integer number (134456877).

Almost surely, 2^268913753 is an apocalyptic number.

It is an amenable number.

268913753 is a deficient number, since it is larger than the sum of its proper divisors (1).

268913753 is an equidigital number, since it uses as much as digits as its factorization.

268913753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 268913753 is about 16398.5899698724. The cubic root of 268913753 is about 645.4624834422.

The spelling of 268913753 in words is "two hundred sixty-eight million, nine hundred thirteen thousand, seven hundred fifty-three".