26783567233 has 2 divisors, whose sum is σ = 26783567234. Its totient is φ = 26783567232.

The previous prime is 26783567231. The next prime is 26783567249. The reversal of 26783567233 is 33276538762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22828792464 + 3954774769 = 151092^2 + 62887^2 .

It is a cyclic number.

It is not a de Polignac number, because 26783567233 - 2¹ = 26783567231 is a prime.

Together with 26783567231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26783567231) 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, 13391783616 + 13391783617.

It is an arithmetic number, because the mean of its divisors is an integer number (13391783617).

Almost surely, 2^26783567233 is an apocalyptic number.

It is an amenable number.

26783567233 is a deficient number, since it is larger than the sum of its proper divisors (1).

26783567233 is an equidigital number, since it uses as much as digits as its factorization.

26783567233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 52.

The spelling of 26783567233 in words is "twenty-six billion, seven hundred eighty-three million, five hundred sixty-seven thousand, two hundred thirty-three".