3644221055143 has 2 divisors, whose sum is σ = 3644221055144. Its totient is φ = 3644221055142.

The previous prime is 3644221055063. The next prime is 3644221055171. The reversal of 3644221055143 is 3415501224463.

It is a strong prime.

It is an emirp because it is prime and its reverse (3415501224463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644221055143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3644221055096 and 3644221055105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3644221055183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822110527571 + 1822110527572.

It is an arithmetic number, because the mean of its divisors is an integer number (1822110527572).

Almost surely, 2^{3644221055143} is an apocalyptic number.

3644221055143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644221055143 is an equidigital number, since it uses as much as digits as its factorization.

3644221055143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 3644221055143 in words is "three trillion, six hundred forty-four billion, two hundred twenty-one million, fifty-five thousand, one hundred forty-three".