1069563889 has 2 divisors, whose sum is σ = 1069563890. Its totient is φ = 1069563888.

The previous prime is 1069563883. The next prime is 1069563893. The reversal of 1069563889 is 9883659601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823230864 + 246333025 = 28692^2 + 15695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069563889 - 2⁹ = 1069563377 is a prime.

It is a super-2 number, since 2×1069563889² = 2287933825305608642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1069563883) 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, 534781944 + 534781945.

It is an arithmetic number, because the mean of its divisors is an integer number (534781945).

Almost surely, 2^1069563889 is an apocalyptic number.

It is an amenable number.

1069563889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069563889 is an equidigital number, since it uses as much as digits as its factorization.

1069563889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 1069563889 is about 32704.1876370596. The cubic root of 1069563889 is about 1022.6701439117.

The spelling of 1069563889 in words is "one billion, sixty-nine million, five hundred sixty-three thousand, eight hundred eighty-nine".