268617683 has 2 divisors, whose sum is σ = 268617684. Its totient is φ = 268617682.

The previous prime is 268617677. The next prime is 268617707. The reversal of 268617683 is 386716862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268617683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (268617983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134308841 + 134308842.

It is an arithmetic number, because the mean of its divisors is an integer number (134308842).

Almost surely, 2^268617683 is an apocalyptic number.

268617683 is a deficient number, since it is larger than the sum of its proper divisors (1).

268617683 is an equidigital number, since it uses as much as digits as its factorization.

268617683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 268617683 is about 16389.5601832386. The cubic root of 268617683 is about 645.2255149572.

The spelling of 268617683 in words is "two hundred sixty-eight million, six hundred seventeen thousand, six hundred eighty-three".