809339069 has 8 divisors (see below), whose sum is σ = 1009046208. Its totient is φ = 630653760.

The previous prime is 809339053. The next prime is 809339081. The reversal of 809339069 is 960933908.

809339069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 809339069 - 2⁴ = 809339053 is a prime.

It is a super-2 number, since 2×809339069² = 1310059457219573522, 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 (809339039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255372 + ... + 5255525.

It is an arithmetic number, because the mean of its divisors is an integer number (126130776).

Almost surely, 2^809339069 is an apocalyptic number.

It is an amenable number.

809339069 is a deficient number, since it is larger than the sum of its proper divisors (199707139).

809339069 is a wasteful number, since it uses less digits than its factorization.

809339069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510915.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 809339069 is about 28448.8851978421. The cubic root of 809339069 is about 931.9161437475.

The spelling of 809339069 in words is "eight hundred nine million, three hundred thirty-nine thousand, sixty-nine".