544485545584445 has 4 divisors (see below), whose sum is σ = 653382654701340. Its totient is φ = 435588436467552.

The previous prime is 544485545584433. The next prime is 544485545584501.

544485545584445 is nontrivially palindromic in base 10.

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 429143831029369 + 115341714555076 = 20715787^2 + 10739726^2 .

It is a cyclic number.

It is not a de Polignac number, because 544485545584445 - 2³⁰ = 544484471842621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54448554558440 + ... + 54448554558449.

It is an arithmetic number, because the mean of its divisors is an integer number (163345663675335).

Almost surely, 2^{544485545584445} is an apocalyptic number.

It is an amenable number.

544485545584445 is a deficient number, since it is larger than the sum of its proper divisors (108897109116895).

544485545584445 is a wasteful number, since it uses less digits than its factorization.

544485545584445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108897109116894.

The product of its digits is 16384000000, while the sum is 74.

The spelling of 544485545584445 in words is "five hundred forty-four trillion, four hundred eighty-five billion, five hundred forty-five million, five hundred eighty-four thousand, four hundred forty-five".