3989659383873 has 6 divisors (see below), whose sum is σ = 5762841332274. Its totient is φ = 2659772922576.

The previous prime is 3989659383863. The next prime is 3989659383911. The reversal of 3989659383873 is 3783839569893.

3989659383873 is a `hidden beast` number, since 3 + 98 + 9 + 65 + 93 + 8 + 387 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3881873241009 + 107786142864 = 1970247^2 + 328308^2 .

It is not a de Polignac number, because 3989659383873 - 2¹⁸ = 3989659121729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3989659383792 and 3989659383801.

It is not an unprimeable number, because it can be changed into a prime (3989659383863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221647743540 + ... + 221647743557.

It is an arithmetic number, because the mean of its divisors is an integer number (960473555379).

Almost surely, 2^{3989659383873} is an apocalyptic number.

It is an amenable number.

3989659383873 is a deficient number, since it is larger than the sum of its proper divisors (1773181948401).

3989659383873 is a wasteful number, since it uses less digits than its factorization.

3989659383873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443295487103 (or 443295487100 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 81.

The spelling of 3989659383873 in words is "three trillion, nine hundred eighty-nine billion, six hundred fifty-nine million, three hundred eighty-three thousand, eight hundred seventy-three".