4069069805 has 8 divisors (see below), whose sum is σ = 5001978744. Its totient is φ = 3175859200.

The previous prime is 4069069789. The next prime is 4069069819. The reversal of 4069069805 is 5089609604.

It can be written as a sum of positive squares in 4 ways, for example, as 470629636 + 3598440169 = 21694^2 + 59987^2 .

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

It is not a de Polignac number, because 4069069805 - 2⁴ = 4069069789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4069069805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9924356 + ... + 9924765.

It is an arithmetic number, because the mean of its divisors is an integer number (625247343).

Almost surely, 2^4069069805 is an apocalyptic number.

It is an amenable number.

4069069805 is a deficient number, since it is larger than the sum of its proper divisors (932908939).

4069069805 is a wasteful number, since it uses less digits than its factorization.

4069069805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19849167.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 4069069805 is about 63789.2608908427. The cubic root of 4069069805 is about 1596.4857511281.

The spelling of 4069069805 in words is "four billion, sixty-nine million, sixty-nine thousand, eight hundred five".