5643865349841 has 16 divisors (see below), whose sum is σ = 7544512247360. Its totient is φ = 3752910066240.

The previous prime is 5643865349831. The next prime is 5643865349861. The reversal of 5643865349841 is 1489435683465.

5643865349841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5643865349841 - 2⁵ = 5643865349809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643865349831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274986 + ... + 3370956.

It is an arithmetic number, because the mean of its divisors is an integer number (471532015460).

Almost surely, 2^{5643865349841} is an apocalyptic number.

It is an amenable number.

5643865349841 is a deficient number, since it is larger than the sum of its proper divisors (1900646897519).

5643865349841 is a wasteful number, since it uses less digits than its factorization.

5643865349841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097536.

The product of its digits is 298598400, while the sum is 66.

The spelling of 5643865349841 in words is "five trillion, six hundred forty-three billion, eight hundred sixty-five million, three hundred forty-nine thousand, eight hundred forty-one".