3966834819265 has 16 divisors (see below), whose sum is σ = 4772332458432. Its totient is φ = 3165389861824.

The previous prime is 3966834819247. The next prime is 3966834819293. The reversal of 3966834819265 is 5629184386693.

3966834819265 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 3966834819265 - 2¹¹ = 3966834817217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3966834819194 and 3966834819203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2914527 + ... + 4053163.

It is an arithmetic number, because the mean of its divisors is an integer number (298270778652).

Almost surely, 2^{3966834819265} is an apocalyptic number.

It is an amenable number.

3966834819265 is a deficient number, since it is larger than the sum of its proper divisors (805497639167).

3966834819265 is a wasteful number, since it uses less digits than its factorization.

3966834819265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140416.

The product of its digits is 403107840, while the sum is 70.

The spelling of 3966834819265 in words is "three trillion, nine hundred sixty-six billion, eight hundred thirty-four million, eight hundred nineteen thousand, two hundred sixty-five".