268871726597 has 2 divisors, whose sum is σ = 268871726598. Its totient is φ = 268871726596.

The previous prime is 268871726581. The next prime is 268871726677. The reversal of 268871726597 is 795627178862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236459485441 + 32412241156 = 486271^2 + 180034^2 .

It is a cyclic number.

It is not a de Polignac number, because 268871726597 - 2⁴ = 268871726581 is a prime.

It is a super-3 number, since 3×268871726597³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268871726527) 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, 134435863298 + 134435863299.

It is an arithmetic number, because the mean of its divisors is an integer number (134435863299).

Almost surely, 2^268871726597 is an apocalyptic number.

It is an amenable number.

268871726597 is a deficient number, since it is larger than the sum of its proper divisors (1).

268871726597 is an equidigital number, since it uses as much as digits as its factorization.

268871726597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142248960, while the sum is 68.

The spelling of 268871726597 in words is "two hundred sixty-eight billion, eight hundred seventy-one million, seven hundred twenty-six thousand, five hundred ninety-seven".