4144427635543 has 24 divisors (see below), whose sum is σ = 4508035348752. Its totient is φ = 3808343155968.

The previous prime is 4144427635477. The next prime is 4144427635571. The reversal of 4144427635543 is 3455367244414.

It is not a de Polignac number, because 4144427635543 - 2⁹ = 4144427635031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144427630543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230070805 + ... + 230088817.

It is an arithmetic number, because the mean of its divisors is an integer number (187834806198).

Almost surely, 2^{4144427635543} is an apocalyptic number.

4144427635543 is a deficient number, since it is larger than the sum of its proper divisors (363607713209).

4144427635543 is a wasteful number, since it uses less digits than its factorization.

4144427635543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24115 (or 24102 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 52.

The spelling of 4144427635543 in words is "four trillion, one hundred forty-four billion, four hundred twenty-seven million, six hundred thirty-five thousand, five hundred forty-three".