389668966699 has 16 divisors (see below), whose sum is σ = 411437869920. Its totient is φ = 368613181440.

The previous prime is 389668966693. The next prime is 389668966703. The reversal of 389668966699 is 996669866983.

It is a cyclic number.

It is not a de Polignac number, because 389668966699 - 2⁷ = 389668966571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389668966693) 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, 565134 + ... + 1048195.

It is an arithmetic number, because the mean of its divisors is an integer number (25714866870).

Almost surely, 2^389668966699 is an apocalyptic number.

389668966699 is a deficient number, since it is larger than the sum of its proper divisors (21768903221).

389668966699 is a wasteful number, since it uses less digits than its factorization.

389668966699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613550.

The product of its digits is 9795520512, while the sum is 85.

The spelling of 389668966699 in words is "three hundred eighty-nine billion, six hundred sixty-eight million, nine hundred sixty-six thousand, six hundred ninety-nine".