1069229689 has 6 divisors (see below), whose sum is σ = 1175269130. Its totient is φ = 972026880.

The previous prime is 1069229677. The next prime is 1069229747. The reversal of 1069229689 is 9869229601.

It can be written as a sum of positive squares in only one way, i.e., 986274025 + 82955664 = 31405^2 + 9108^2 .

It is not a de Polignac number, because 1069229689 - 2¹³ = 1069221497 is a prime.

It is a super-2 number, since 2×1069229689² = 2286504255678073442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1069229669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4418184 + ... + 4418425.

Almost surely, 2^1069229689 is an apocalyptic number.

It is an amenable number.

1069229689 is a deficient number, since it is larger than the sum of its proper divisors (106039441).

1069229689 is an equidigital number, since it uses as much as digits as its factorization.

1069229689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836631 (or 8836620 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1069229689 is about 32699.0778004518. The cubic root of 1069229689 is about 1022.5636170149.

It can be divided in two parts, 106922 and 9689, that added together give a palindrome (116611).

The spelling of 1069229689 in words is "one billion, sixty-nine million, two hundred twenty-nine thousand, six hundred eighty-nine".