5644421012191 has 16 divisors (see below), whose sum is σ = 6545260058400. Its totient is φ = 4820635957248.

The previous prime is 5644421012173. The next prime is 5644421012203. The reversal of 5644421012191 is 1912101244465.

5644421012191 is digitally balanced in base 3, 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 5644421012191 - 2⁹ = 5644421011679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644421012171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216430746 + ... + 216456823.

It is an arithmetic number, because the mean of its divisors is an integer number (409078753650).

Almost surely, 2^{5644421012191} is an apocalyptic number.

5644421012191 is a deficient number, since it is larger than the sum of its proper divisors (900839046209).

5644421012191 is a wasteful number, since it uses less digits than its factorization.

5644421012191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432887658.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 5644421012191 in words is "five trillion, six hundred forty-four billion, four hundred twenty-one million, twelve thousand, one hundred ninety-one".