3984249821089 has 12 divisors (see below), whose sum is σ = 4096257225984. Its totient is φ = 3875228162064.

The previous prime is 3984249821063. The next prime is 3984249821161. The reversal of 3984249821089 is 9801289424893.

3984249821089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3984249821089 - 2¹⁹ = 3984249296801 is a prime.

It is a super-3 number, since 3×3984249821089³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984249821029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3472944 + ... + 4475470.

It is an arithmetic number, because the mean of its divisors is an integer number (341354768832).

Almost surely, 2^{3984249821089} is an apocalyptic number.

It is an amenable number.

3984249821089 is a deficient number, since it is larger than the sum of its proper divisors (112007404895).

3984249821089 is a wasteful number, since it uses less digits than its factorization.

3984249821089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005504 (or 1005467 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 67.

The spelling of 3984249821089 in words is "three trillion, nine hundred eighty-four billion, two hundred forty-nine million, eight hundred twenty-one thousand, eighty-nine".