4481253434881 has 4 divisors (see below), whose sum is σ = 4484031646932. Its totient is φ = 4478475222832.

The previous prime is 4481253434869. The next prime is 4481253434953. The reversal of 4481253434881 is 1884343521844.

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 1140367694400 + 3340885740481 = 1067880^2 + 1827809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481253434881 - 2¹¹ = 4481253432833 is a prime.

It is a super-2 number, since 2×4481253434881² (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 (4481253434851) 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, 1389103606 + ... + 1389106831.

It is an arithmetic number, because the mean of its divisors is an integer number (1121007911733).

Almost surely, 2^{4481253434881} is an apocalyptic number.

It is an amenable number.

4481253434881 is a deficient number, since it is larger than the sum of its proper divisors (2778212051).

4481253434881 is a wasteful number, since it uses less digits than its factorization.

4481253434881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778212050.

The product of its digits is 11796480, while the sum is 55.

The spelling of 4481253434881 in words is "four trillion, four hundred eighty-one billion, two hundred fifty-three million, four hundred thirty-four thousand, eight hundred eighty-one".