4444216481 has 4 divisors (see below), whose sum is σ = 4444459332. Its totient is φ = 4443973632.

The previous prime is 4444216471. The next prime is 4444216487. The reversal of 4444216481 is 1846124444.

4444216481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1733972881 + 2710243600 = 41641^2 + 52060^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444216481 - 2¹⁴ = 4444200097 is a prime.

It is a super-3 number, since 3×4444216481³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4444216487) 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, 91520 + ... + 131393.

It is an arithmetic number, because the mean of its divisors is an integer number (1111114833).

Almost surely, 2^4444216481 is an apocalyptic number.

It is an amenable number.

4444216481 is a deficient number, since it is larger than the sum of its proper divisors (242851).

4444216481 is a wasteful number, since it uses less digits than its factorization.

4444216481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242850.

The product of its digits is 98304, while the sum is 38.

The square root of 4444216481 is about 66664.9569189091. The cubic root of 4444216481 is about 1644.1132720964.

The spelling of 4444216481 in words is "four billion, four hundred forty-four million, two hundred sixteen thousand, four hundred eighty-one".