1069234909 has 2 divisors, whose sum is σ = 1069234910. Its totient is φ = 1069234908.

The previous prime is 1069234853. The next prime is 1069234931. The reversal of 1069234909 is 9094329601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1064194884 + 5040025 = 32622^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069234909 - 2⁷ = 1069234781 is a prime.

It is a super-2 number, since 2×1069234909² = 2286526581248476562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069234979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534617454 + 534617455.

It is an arithmetic number, because the mean of its divisors is an integer number (534617455).

Almost surely, 2^1069234909 is an apocalyptic number.

It is an amenable number.

1069234909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069234909 is an equidigital number, since it uses as much as digits as its factorization.

1069234909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 1069234909 is about 32699.1576191192. The cubic root of 1069234909 is about 1022.5652810707.

The spelling of 1069234909 in words is "one billion, sixty-nine million, two hundred thirty-four thousand, nine hundred nine".