1069331309 has 4 divisors (see below), whose sum is σ = 1077024480. Its totient is φ = 1061638140.

The previous prime is 1069331269. The next prime is 1069331321. The reversal of 1069331309 is 9031339601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1069331309 - 2¹² = 1069327213 is a prime.

It is a super-2 number, since 2×1069331309² = 2286938896815306962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069331359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846377 + ... + 3846654.

It is an arithmetic number, because the mean of its divisors is an integer number (269256120).

Almost surely, 2^1069331309 is an apocalyptic number.

It is an amenable number.

1069331309 is a deficient number, since it is larger than the sum of its proper divisors (7693171).

1069331309 is an equidigital number, since it uses as much as digits as its factorization.

1069331309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693170.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 1069331309 is about 32700.6316299854. The cubic root of 1069331309 is about 1022.5960109349.

The spelling of 1069331309 in words is "one billion, sixty-nine million, three hundred thirty-one thousand, three hundred nine".