4089406009 has 8 divisors (see below), whose sum is σ = 4433143232. Its totient is φ = 3749835600.

The previous prime is 4089406001. The next prime is 4089406039. The reversal of 4089406009 is 9006049804.

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 4089406009 - 2³ = 4089406001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089406001) 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, 1039659 + ... + 1043584.

It is an arithmetic number, because the mean of its divisors is an integer number (554142904).

Almost surely, 2^4089406009 is an apocalyptic number.

It is an amenable number.

4089406009 is a deficient number, since it is larger than the sum of its proper divisors (343737223).

4089406009 is a wasteful number, since it uses less digits than its factorization.

4089406009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083407.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4089406009 is about 63948.4636953852. The cubic root of 4089406009 is about 1599.1409462711.

The spelling of 4089406009 in words is "four billion, eighty-nine million, four hundred six thousand, nine".