268301310757 has 2 divisors, whose sum is σ = 268301310758. Its totient is φ = 268301310756.

The previous prime is 268301310751. The next prime is 268301310787. The reversal of 268301310757 is 757013103862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172631109121 + 95670201636 = 415489^2 + 309306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268301310757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268301310751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134150655378 + 134150655379.

It is an arithmetic number, because the mean of its divisors is an integer number (134150655379).

Almost surely, 2^268301310757 is an apocalyptic number.

It is an amenable number.

268301310757 is a deficient number, since it is larger than the sum of its proper divisors (1).

268301310757 is an equidigital number, since it uses as much as digits as its factorization.

268301310757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 268301310757 in words is "two hundred sixty-eight billion, three hundred one million, three hundred ten thousand, seven hundred fifty-seven".