44321364563 has 4 divisors (see below), whose sum is σ = 50652988080. Its totient is φ = 37989741048.

The previous prime is 44321364559. The next prime is 44321364569. The reversal of 44321364563 is 36546312344.

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

It is not a de Polignac number, because 44321364563 - 2² = 44321364559 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 44321364563.

It is not an unprimeable number, because it can be changed into a prime (44321364569) 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, 3165811748 + ... + 3165811761.

It is an arithmetic number, because the mean of its divisors is an integer number (12663247020).

Almost surely, 2^44321364563 is an apocalyptic number.

44321364563 is a deficient number, since it is larger than the sum of its proper divisors (6331623517).

44321364563 is an equidigital number, since it uses as much as digits as its factorization.

44321364563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331623516.

The product of its digits is 622080, while the sum is 41.

The spelling of 44321364563 in words is "forty-four billion, three hundred twenty-one million, three hundred sixty-four thousand, five hundred sixty-three".