26383036909 has 2 divisors, whose sum is σ = 26383036910. Its totient is φ = 26383036908.

The previous prime is 26383036907. The next prime is 26383036931. The reversal of 26383036909 is 90963038362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23027152009 + 3355884900 = 151747^2 + 57930^2 .

It is a cyclic number.

It is not a de Polignac number, because 26383036909 - 2¹ = 26383036907 is a prime.

Together with 26383036907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26383036907) 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, 13191518454 + 13191518455.

It is an arithmetic number, because the mean of its divisors is an integer number (13191518455).

Almost surely, 2^26383036909 is an apocalyptic number.

It is an amenable number.

26383036909 is a deficient number, since it is larger than the sum of its proper divisors (1).

26383036909 is an equidigital number, since it uses as much as digits as its factorization.

26383036909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 26383036909 in words is "twenty-six billion, three hundred eighty-three million, thirty-six thousand, nine hundred nine".