268119517 has 2 divisors, whose sum is σ = 268119518. Its totient is φ = 268119516.

The previous prime is 268119493. The next prime is 268119667. The reversal of 268119517 is 715911862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209351961 + 58767556 = 14469^2 + 7666^2 .

It is a cyclic number.

It is not a de Polignac number, because 268119517 - 2⁷ = 268119389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268119517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268129517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134059758 + 134059759.

It is an arithmetic number, because the mean of its divisors is an integer number (134059759).

Almost surely, 2^268119517 is an apocalyptic number.

It is an amenable number.

268119517 is a deficient number, since it is larger than the sum of its proper divisors (1).

268119517 is an equidigital number, since it uses as much as digits as its factorization.

268119517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 40.

The square root of 268119517 is about 16374.3554682314. The cubic root of 268119517 is about 644.8263996074.

The spelling of 268119517 in words is "two hundred sixty-eight million, one hundred nineteen thousand, five hundred seventeen".