26906068439 has 2 divisors, whose sum is σ = 26906068440. Its totient is φ = 26906068438.

The previous prime is 26906068391. The next prime is 26906068447. The reversal of 26906068439 is 93486060962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26906068439 - 2⁸ = 26906068183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26906068039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13453034219 + 13453034220.

It is an arithmetic number, because the mean of its divisors is an integer number (13453034220).

Almost surely, 2^26906068439 is an apocalyptic number.

26906068439 is a deficient number, since it is larger than the sum of its proper divisors (1).

26906068439 is an equidigital number, since it uses as much as digits as its factorization.

26906068439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 26906068439 in words is "twenty-six billion, nine hundred six million, sixty-eight thousand, four hundred thirty-nine".