441783121813 has 8 divisors (see below), whose sum is σ = 493699985856. Its totient is φ = 391825384800.

The previous prime is 441783121811. The next prime is 441783121817. The reversal of 441783121813 is 318121387144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441783121813 - 2¹ = 441783121811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 441783121813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441783121811) 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 7 ways as a sum of consecutive naturals, for example, 489781281 + ... + 489782182.

It is an arithmetic number, because the mean of its divisors is an integer number (61712498232).

Almost surely, 2^441783121813 is an apocalyptic number.

It is an amenable number.

441783121813 is a deficient number, since it is larger than the sum of its proper divisors (51916864043).

441783121813 is a wasteful number, since it uses less digits than its factorization.

441783121813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979563515.

The product of its digits is 129024, while the sum is 43.

The spelling of 441783121813 in words is "four hundred forty-one billion, seven hundred eighty-three million, one hundred twenty-one thousand, eight hundred thirteen".