26443623359 has 2 divisors, whose sum is σ = 26443623360. Its totient is φ = 26443623358.

The previous prime is 26443623289. The next prime is 26443623361. The reversal of 26443623359 is 95332634462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26443623359 is a prime.

Together with 26443623361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26443623259) 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, 13221811679 + 13221811680.

It is an arithmetic number, because the mean of its divisors is an integer number (13221811680).

Almost surely, 2^26443623359 is an apocalyptic number.

26443623359 is a deficient number, since it is larger than the sum of its proper divisors (1).

26443623359 is an equidigital number, since it uses as much as digits as its factorization.

26443623359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 47.

The spelling of 26443623359 in words is "twenty-six billion, four hundred forty-three million, six hundred twenty-three thousand, three hundred fifty-nine".