26256700696979 has 2 divisors, whose sum is σ = 26256700696980. Its totient is φ = 26256700696978.

The previous prime is 26256700696973. The next prime is 26256700696997. The reversal of 26256700696979 is 97969600765262.

Together with next prime (26256700696997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26256700696979 - 2¹² = 26256700692883 is a prime.

It is not a weakly prime, because it can be changed into another prime (26256700696973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128350348489 + 13128350348490.

It is an arithmetic number, because the mean of its divisors is an integer number (13128350348490).

Almost surely, 2^{26256700696979} is an apocalyptic number.

26256700696979 is a deficient number, since it is larger than the sum of its proper divisors (1).

26256700696979 is an equidigital number, since it uses as much as digits as its factorization.

26256700696979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 925888320, while the sum is 74.

The spelling of 26256700696979 in words is "twenty-six trillion, two hundred fifty-six billion, seven hundred million, six hundred ninety-six thousand, nine hundred seventy-nine".