226783619389 has 2 divisors, whose sum is σ = 226783619390. Its totient is φ = 226783619388.

The previous prime is 226783619383. The next prime is 226783619549. The reversal of 226783619389 is 983916387622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192589322500 + 34194296889 = 438850^2 + 184917^2 .

It is a cyclic number.

It is not a de Polignac number, because 226783619389 - 2⁵ = 226783619357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226783619389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226783619383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113391809694 + 113391809695.

It is an arithmetic number, because the mean of its divisors is an integer number (113391809695).

Almost surely, 2^226783619389 is an apocalyptic number.

It is an amenable number.

226783619389 is a deficient number, since it is larger than the sum of its proper divisors (1).

226783619389 is an equidigital number, since it uses as much as digits as its factorization.

226783619389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 64.

The spelling of 226783619389 in words is "two hundred twenty-six billion, seven hundred eighty-three million, six hundred nineteen thousand, three hundred eighty-nine".