444414356450563 has 4 divisors (see below), whose sum is σ = 446983225563168. Its totient is φ = 441845487337960.

The previous prime is 444414356450501. The next prime is 444414356450591. The reversal of 444414356450563 is 365054653414444.

It is a happy number.

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-444414356450563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444414356450498 and 444414356450507.

It is not an unprimeable number, because it can be changed into a prime (444414356430563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284434556043 + ... + 1284434556388.

It is an arithmetic number, because the mean of its divisors is an integer number (111745806390792).

Almost surely, 2^{444414356450563} is an apocalyptic number.

444414356450563 is a deficient number, since it is larger than the sum of its proper divisors (2568869112605).

444414356450563 is a wasteful number, since it uses less digits than its factorization.

444414356450563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568869112604.

The product of its (nonzero) digits is 165888000, while the sum is 58.

The spelling of 444414356450563 in words is "four hundred forty-four trillion, four hundred fourteen billion, three hundred fifty-six million, four hundred fifty thousand, five hundred sixty-three".