3866456155273 has 16 divisors (see below), whose sum is σ = 4143318848064. Its totient is φ = 3595329786880.

The previous prime is 3866456155267. The next prime is 3866456155291. The reversal of 3866456155273 is 3725516546683.

3866456155273 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 3866456155273 - 2²⁵ = 3866422600841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3866456155673) 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, 3318640 + ... + 4329697.

It is an arithmetic number, because the mean of its divisors is an integer number (258957428004).

Almost surely, 2^{3866456155273} is an apocalyptic number.

It is an amenable number.

3866456155273 is a deficient number, since it is larger than the sum of its proper divisors (276862692791).

3866456155273 is a wasteful number, since it uses less digits than its factorization.

3866456155273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648712.

The product of its digits is 108864000, while the sum is 61.

The spelling of 3866456155273 in words is "three trillion, eight hundred sixty-six billion, four hundred fifty-six million, one hundred fifty-five thousand, two hundred seventy-three".