3869999804161 has 32 divisors (see below), whose sum is σ = 4252029062400. Its totient is φ = 3508164172800.

The previous prime is 3869999804159. The next prime is 3869999804197. The reversal of 3869999804161 is 1614089999683.

3869999804161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3869999804161 - 2¹ = 3869999804159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3869999802161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45325036 + ... + 45410338.

It is an arithmetic number, because the mean of its divisors is an integer number (132875908200).

Almost surely, 2^{3869999804161} is an apocalyptic number.

It is an amenable number.

3869999804161 is a deficient number, since it is larger than the sum of its proper divisors (382029258239).

3869999804161 is a wasteful number, since it uses less digits than its factorization.

3869999804161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86089.

The product of its (nonzero) digits is 181398528, while the sum is 73.

The spelling of 3869999804161 in words is "three trillion, eight hundred sixty-nine billion, nine hundred ninety-nine million, eight hundred four thousand, one hundred sixty-one".