268361683 has 2 divisors, whose sum is σ = 268361684. Its totient is φ = 268361682.

The previous prime is 268361647. The next prime is 268361689. The reversal of 268361683 is 386163862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268361683 is a prime.

It is not a weakly prime, because it can be changed into another prime (268361689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134180841 + 134180842.

It is an arithmetic number, because the mean of its divisors is an integer number (134180842).

Almost surely, 2^268361683 is an apocalyptic number.

268361683 is a deficient number, since it is larger than the sum of its proper divisors (1).

268361683 is an equidigital number, since it uses as much as digits as its factorization.

268361683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 268361683 is about 16381.7484720038. The cubic root of 268361683 is about 645.0204772859.

The spelling of 268361683 in words is "two hundred sixty-eight million, three hundred sixty-one thousand, six hundred eighty-three".