3989368218473 has 16 divisors (see below), whose sum is σ = 4404775032000. Its totient is φ = 3582756910080.

The previous prime is 3989368218443. The next prime is 3989368218481. The reversal of 3989368218473 is 3748128639893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3989368218473 - 2¹⁴ = 3989368202089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3989368218397 and 3989368218406.

It is not an unprimeable number, because it can be changed into a prime (3989368218413) 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, 13852853 + ... + 14137901.

It is an arithmetic number, because the mean of its divisors is an integer number (275298439500).

Almost surely, 2^{3989368218473} is an apocalyptic number.

It is an amenable number.

3989368218473 is a deficient number, since it is larger than the sum of its proper divisors (415406813527).

3989368218473 is a wasteful number, since it uses less digits than its factorization.

3989368218473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300472.

The product of its digits is 376233984, while the sum is 71.

The spelling of 3989368218473 in words is "three trillion, nine hundred eighty-nine billion, three hundred sixty-eight million, two hundred eighteen thousand, four hundred seventy-three".