26266266266479 has 2 divisors, whose sum is σ = 26266266266480. Its totient is φ = 26266266266478.

The previous prime is 26266266266419. The next prime is 26266266266497. The reversal of 26266266266479 is 97466266266262.

Together with next prime (26266266266497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26266266266479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26266266266419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13133133133239 + 13133133133240.

It is an arithmetic number, because the mean of its divisors is an integer number (13133133133240).

Almost surely, 2^{26266266266479} is an apocalyptic number.

26266266266479 is a deficient number, since it is larger than the sum of its proper divisors (1).

26266266266479 is an equidigital number, since it uses as much as digits as its factorization.

26266266266479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128701952, while the sum is 70.

The spelling of 26266266266479 in words is "twenty-six trillion, two hundred sixty-six billion, two hundred sixty-six million, two hundred sixty-six thousand, four hundred seventy-nine".