26422254139 has 2 divisors, whose sum is σ = 26422254140. Its totient is φ = 26422254138.

The previous prime is 26422254137. The next prime is 26422254179. The reversal of 26422254139 is 93145222462.

It is an a-pointer prime, because the next prime (26422254179) can be obtained adding 26422254139 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26422254139 - 2¹ = 26422254137 is a prime.

Together with 26422254137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26422254137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211127069 + 13211127070.

It is an arithmetic number, because the mean of its divisors is an integer number (13211127070).

Almost surely, 2^26422254139 is an apocalyptic number.

26422254139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26422254139 is an equidigital number, since it uses as much as digits as its factorization.

26422254139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The spelling of 26422254139 in words is "twenty-six billion, four hundred twenty-two million, two hundred fifty-four thousand, one hundred thirty-nine".