26006422697 has 2 divisors, whose sum is σ = 26006422698. Its totient is φ = 26006422696.

The previous prime is 26006422613. The next prime is 26006422699. The reversal of 26006422697 is 79622460062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17301719296 + 8704703401 = 131536^2 + 93299^2 .

It is a cyclic number.

It is not a de Polignac number, because 26006422697 - 2¹⁰ = 26006421673 is a prime.

Together with 26006422699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26006422699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003211348 + 13003211349.

It is an arithmetic number, because the mean of its divisors is an integer number (13003211349).

Almost surely, 2^26006422697 is an apocalyptic number.

It is an amenable number.

26006422697 is a deficient number, since it is larger than the sum of its proper divisors (1).

26006422697 is an equidigital number, since it uses as much as digits as its factorization.

26006422697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 26006422697 in words is "twenty-six billion, six million, four hundred twenty-two thousand, six hundred ninety-seven".