5644552641643 has 4 divisors (see below), whose sum is σ = 5737086291568. Its totient is φ = 5552018991720.

The previous prime is 5644552641631. The next prime is 5644552641703. The reversal of 5644552641643 is 3461462554465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5644552641643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644552645643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46266824871 + ... + 46266824992.

It is an arithmetic number, because the mean of its divisors is an integer number (1434271572892).

Almost surely, 2^{5644552641643} is an apocalyptic number.

5644552641643 is a deficient number, since it is larger than the sum of its proper divisors (92533649925).

5644552641643 is an equidigital number, since it uses as much as digits as its factorization.

5644552641643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92533649924.

The product of its digits is 41472000, while the sum is 55.

The spelling of 5644552641643 in words is "five trillion, six hundred forty-four billion, five hundred fifty-two million, six hundred forty-one thousand, six hundred forty-three".