3989617602966 has 24 divisors (see below), whose sum is σ = 8644715717664. Its totient is φ = 1329788804400.

The previous prime is 3989617602959. The next prime is 3989617603007. The reversal of 3989617602966 is 6692067169893.

3989617602966 is a `hidden beast` number, since 3 + 9 + 8 + 9 + 6 + 1 + 7 + 602 + 9 + 6 + 6 = 666.

It is a super-2 number, since 2×3989617602966² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3989617602894 and 3989617602903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6683326 + ... + 7255761.

It is an arithmetic number, because the mean of its divisors is an integer number (360196488236).

Almost surely, 2^{3989617602966} is an apocalyptic number.

3989617602966 is an abundant number, since it is smaller than the sum of its proper divisors (4655098114698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3989617602966 is a wasteful number, since it uses less digits than its factorization.

3989617602966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13954996 (or 13954993 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 72.

The spelling of 3989617602966 in words is "three trillion, nine hundred eighty-nine billion, six hundred seventeen million, six hundred two thousand, nine hundred sixty-six".