26385129227 has 2 divisors, whose sum is σ = 26385129228. Its totient is φ = 26385129226.

The previous prime is 26385129223. The next prime is 26385129229. The reversal of 26385129227 is 72292158362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26385129227 - 2² = 26385129223 is a prime.

Together with 26385129229, 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 (26385129223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13192564613 + 13192564614.

It is an arithmetic number, because the mean of its divisors is an integer number (13192564614).

Almost surely, 2^26385129227 is an apocalyptic number.

26385129227 is a deficient number, since it is larger than the sum of its proper divisors (1).

26385129227 is an equidigital number, since it uses as much as digits as its factorization.

26385129227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The spelling of 26385129227 in words is "twenty-six billion, three hundred eighty-five million, one hundred twenty-nine thousand, two hundred twenty-seven".