26279676673 has 2 divisors, whose sum is σ = 26279676674. Its totient is φ = 26279676672.

The previous prime is 26279676637. The next prime is 26279676677. The reversal of 26279676673 is 37667697262.

Together with previous prime (26279676637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16085341584 + 10194335089 = 126828^2 + 100967^2 .

It is a cyclic number.

It is not a de Polignac number, because 26279676673 - 2²⁵ = 26246122241 is a prime.

It is not a weakly prime, because it can be changed into another prime (26279676677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13139838336 + 13139838337.

It is an arithmetic number, because the mean of its divisors is an integer number (13139838337).

Almost surely, 2^26279676673 is an apocalyptic number.

It is an amenable number.

26279676673 is a deficient number, since it is larger than the sum of its proper divisors (1).

26279676673 is an equidigital number, since it uses as much as digits as its factorization.

26279676673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 61.

The spelling of 26279676673 in words is "twenty-six billion, two hundred seventy-nine million, six hundred seventy-six thousand, six hundred seventy-three".