889973369 has 2 divisors, whose sum is σ = 889973370. Its totient is φ = 889973368.

The previous prime is 889973353. The next prime is 889973377. The reversal of 889973369 is 963379988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788205625 + 101767744 = 28075^2 + 10088^2 .

It is a cyclic number.

It is not a de Polignac number, because 889973369 - 2⁴ = 889973353 is a prime.

It is a super-2 number, since 2×889973369² = 1584105195058420322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (889973309) 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, 444986684 + 444986685.

It is an arithmetic number, because the mean of its divisors is an integer number (444986685).

Almost surely, 2^889973369 is an apocalyptic number.

It is an amenable number.

889973369 is a deficient number, since it is larger than the sum of its proper divisors (1).

889973369 is an equidigital number, since it uses as much as digits as its factorization.

889973369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The square root of 889973369 is about 29832.4214404396. The cubic root of 889973369 is about 961.8905773684.

The spelling of 889973369 in words is "eight hundred eighty-nine million, nine hundred seventy-three thousand, three hundred sixty-nine".