4447775044081 has 4 divisors (see below), whose sum is σ = 4458649800100. Its totient is φ = 4436900288064.

The previous prime is 4447775044073. The next prime is 4447775044093. The reversal of 4447775044081 is 1804405777444.

4447775044081 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 2393082147681 + 2054692896400 = 1546959^2 + 1433420^2 .

It is a cyclic number.

It is not a de Polignac number, because 4447775044081 - 2³ = 4447775044073 is a prime.

It is a super-2 number, since 2×4447775044081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4447775044021) 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, 5437377396 + ... + 5437378213.

It is an arithmetic number, because the mean of its divisors is an integer number (1114662450025).

Almost surely, 2^{4447775044081} is an apocalyptic number.

It is an amenable number.

4447775044081 is a deficient number, since it is larger than the sum of its proper divisors (10874756019).

4447775044081 is a wasteful number, since it uses less digits than its factorization.

4447775044081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874756018.

The product of its (nonzero) digits is 14049280, while the sum is 55.

The spelling of 4447775044081 in words is "four trillion, four hundred forty-seven billion, seven hundred seventy-five million, forty-four thousand, eighty-one".