4144446563 has 4 divisors (see below), whose sum is σ = 4214691480. Its totient is φ = 4074201648.

The previous prime is 4144446533. The next prime is 4144446569. The reversal of 4144446563 is 3656444414.

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-4144446563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4144446563.

It is not an unprimeable number, because it can be changed into a prime (4144446569) 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, 35122370 + ... + 35122487.

It is an arithmetic number, because the mean of its divisors is an integer number (1053672870).

Almost surely, 2^4144446563 is an apocalyptic number.

4144446563 is a deficient number, since it is larger than the sum of its proper divisors (70244917).

4144446563 is an equidigital number, since it uses as much as digits as its factorization.

4144446563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70244916.

The product of its digits is 552960, while the sum is 41.

The square root of 4144446563 is about 64377.3761736217. The cubic root of 4144446563 is about 1606.2834379267.

The spelling of 4144446563 in words is "four billion, one hundred forty-four million, four hundred forty-six thousand, five hundred sixty-three".