3864405543 has 16 divisors (see below), whose sum is σ = 5223702240. Its totient is φ = 2540837376.

The previous prime is 3864405521. The next prime is 3864405547. The reversal of 3864405543 is 3455044683.

3864405543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3864405543 - 2¹³ = 3864397351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3864405495 and 3864405504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864405547) 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, 87771 + ... + 124227.

It is an arithmetic number, because the mean of its divisors is an integer number (326481390).

Almost surely, 2^3864405543 is an apocalyptic number.

3864405543 is a deficient number, since it is larger than the sum of its proper divisors (1359296697).

3864405543 is a wasteful number, since it uses less digits than its factorization.

3864405543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36946.

The product of its (nonzero) digits is 691200, while the sum is 42.

The square root of 3864405543 is about 62164.3430191295. The cubic root of 3864405543 is about 1569.2575692376.

The spelling of 3864405543 in words is "three billion, eight hundred sixty-four million, four hundred five thousand, five hundred forty-three".