4065808069 has 8 divisors (see below), whose sum is σ = 4198261760. Its totient is φ = 3933435600.

The previous prime is 4065808067. The next prime is 4065808127. The reversal of 4065808069 is 9608085604.

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

It is a cyclic number.

It is not a de Polignac number, because 4065808069 - 2¹ = 4065808067 is a prime.

It is a super-2 number, since 2×4065808069² = 33061590507891017522, 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 (4065808063) 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, 91252 + ... + 128290.

It is an arithmetic number, because the mean of its divisors is an integer number (524782720).

Almost surely, 2^4065808069 is an apocalyptic number.

It is an amenable number.

4065808069 is a deficient number, since it is larger than the sum of its proper divisors (132453691).

4065808069 is a wasteful number, since it uses less digits than its factorization.

4065808069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40611.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 4065808069 is about 63763.6892674820. The cubic root of 4065808069 is about 1596.0590600743.

The spelling of 4065808069 in words is "four billion, sixty-five million, eight hundred eight thousand, sixty-nine".