226789999105609 has 2 divisors, whose sum is σ = 226789999105610. Its totient is φ = 226789999105608.

The previous prime is 226789999105603. The next prime is 226789999105643. The reversal of 226789999105609 is 906501999987622.

226789999105609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226486697775625 + 303301329984 = 15049475^2 + 550728^2 .

It is a cyclic number.

It is not a de Polignac number, because 226789999105609 - 2³ = 226789999105601 is a prime.

It is not a weakly prime, because it can be changed into another prime (226789999105601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113394999552804 + 113394999552805.

It is an arithmetic number, because the mean of its divisors is an integer number (113394999552805).

Almost surely, 2^{226789999105609} is an apocalyptic number.

It is an amenable number.

226789999105609 is a deficient number, since it is larger than the sum of its proper divisors (1).

226789999105609 is an equidigital number, since it uses as much as digits as its factorization.

226789999105609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2380855680, while the sum is 82.

The spelling of 226789999105609 in words is "two hundred twenty-six trillion, seven hundred eighty-nine billion, nine hundred ninety-nine million, one hundred five thousand, six hundred nine".