889069969 has 2 divisors, whose sum is σ = 889069970. Its totient is φ = 889069968.

The previous prime is 889069963. The next prime is 889069981. The reversal of 889069969 is 969960988.

889069969 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., 666672400 + 222397569 = 25820^2 + 14913^2 .

It is a cyclic number.

It is not a de Polignac number, because 889069969 - 2¹³ = 889061777 is a prime.

It is a super-2 number, since 2×889069969² = 1580890819555321922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 889069969.

It is not a weakly prime, because it can be changed into another prime (889069963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444534984 + 444534985.

It is an arithmetic number, because the mean of its divisors is an integer number (444534985).

Almost surely, 2^889069969 is an apocalyptic number.

It is an amenable number.

889069969 is a deficient number, since it is larger than the sum of its proper divisors (1).

889069969 is an equidigital number, since it uses as much as digits as its factorization.

889069969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The square root of 889069969 is about 29817.2763511358. The cubic root of 889069969 is about 961.5649997833.

The spelling of 889069969 in words is "eight hundred eighty-nine million, sixty-nine thousand, nine hundred sixty-nine".