229868466889 has 2 divisors, whose sum is σ = 229868466890. Its totient is φ = 229868466888.

The previous prime is 229868466871. The next prime is 229868466923. The reversal of 229868466889 is 988664868922.

229868466889 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., 227915534025 + 1952932864 = 477405^2 + 44192^2 .

It is a cyclic number.

It is not a de Polignac number, because 229868466889 - 2¹¹ = 229868464841 is a prime.

It is not a weakly prime, because it can be changed into another prime (229868466809) 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, 114934233444 + 114934233445.

It is an arithmetic number, because the mean of its divisors is an integer number (114934233445).

Almost surely, 2^229868466889 is an apocalyptic number.

It is an amenable number.

229868466889 is a deficient number, since it is larger than the sum of its proper divisors (1).

229868466889 is an equidigital number, since it uses as much as digits as its factorization.

229868466889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1146617856, while the sum is 76.

The spelling of 229868466889 in words is "two hundred twenty-nine billion, eight hundred sixty-eight million, four hundred sixty-six thousand, eight hundred eighty-nine".