4089215663209 has 16 divisors (see below), whose sum is σ = 4310040084480. Its totient is φ = 3868954448400.

The previous prime is 4089215663177. The next prime is 4089215663249. The reversal of 4089215663209 is 9023665129804.

It is a cyclic number.

It is not a de Polignac number, because 4089215663209 - 2⁵ = 4089215663177 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 4089215663209.

It is not an unprimeable number, because it can be changed into a prime (4089215663249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52074594 + ... + 52153060.

It is an arithmetic number, because the mean of its divisors is an integer number (269377505280).

Almost surely, 2^{4089215663209} is an apocalyptic number.

It is an amenable number.

4089215663209 is a deficient number, since it is larger than the sum of its proper divisors (220824421271).

4089215663209 is a wasteful number, since it uses less digits than its factorization.

4089215663209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82020.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 4089215663209 in words is "four trillion, eighty-nine billion, two hundred fifteen million, six hundred sixty-three thousand, two hundred nine".