26268642842873 has 2 divisors, whose sum is σ = 26268642842874. Its totient is φ = 26268642842872.

The previous prime is 26268642842851. The next prime is 26268642842917. The reversal of 26268642842873 is 37824824686262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14492578975744 + 11776063867129 = 3806912^2 + 3431627^2 .

It is a cyclic number.

It is not a de Polignac number, because 26268642842873 - 2¹⁸ = 26268642580729 is a prime.

It is not a weakly prime, because it can be changed into another prime (26268642842803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13134321421436 + 13134321421437.

It is an arithmetic number, because the mean of its divisors is an integer number (13134321421437).

Almost surely, 2^{26268642842873} is an apocalyptic number.

It is an amenable number.

26268642842873 is a deficient number, since it is larger than the sum of its proper divisors (1).

26268642842873 is an equidigital number, since it uses as much as digits as its factorization.

26268642842873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 594542592, while the sum is 68.

The spelling of 26268642842873 in words is "twenty-six trillion, two hundred sixty-eight billion, six hundred forty-two million, eight hundred forty-two thousand, eight hundred seventy-three".