3989139852663 has 16 divisors (see below), whose sum is σ = 6754099221760. Its totient is φ = 2279508487128.

The previous prime is 3989139852641. The next prime is 3989139852683. The reversal of 3989139852663 is 3662589319893.

3989139852663 is a `hidden beast` number, since 3 + 9 + 8 + 9 + 1 + 3 + 98 + 526 + 6 + 3 = 666.

It is not a de Polignac number, because 3989139852663 - 2⁵ = 3989139852631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3989139852591 and 3989139852600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989139852623) 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, 10553279845 + ... + 10553280222.

It is an arithmetic number, because the mean of its divisors is an integer number (422131201360).

Almost surely, 2^{3989139852663} is an apocalyptic number.

3989139852663 is a deficient number, since it is larger than the sum of its proper divisors (2764959369097).

3989139852663 is a wasteful number, since it uses less digits than its factorization.

3989139852663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106560083 (or 21106560077 counting only the distinct ones).

The product of its digits is 453496320, while the sum is 72.

The spelling of 3989139852663 in words is "three trillion, nine hundred eighty-nine billion, one hundred thirty-nine million, eight hundred fifty-two thousand, six hundred sixty-three".