441443819861 has 8 divisors (see below), whose sum is σ = 481869277344. Its totient is φ = 401067395920.

The previous prime is 441443819849. The next prime is 441443819897. The reversal of 441443819861 is 168918344144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441443819861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441443819821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12239555 + ... + 12275568.

It is an arithmetic number, because the mean of its divisors is an integer number (60233659668).

Almost surely, 2^441443819861 is an apocalyptic number.

It is an amenable number.

441443819861 is a deficient number, since it is larger than the sum of its proper divisors (40425457483).

441443819861 is a wasteful number, since it uses less digits than its factorization.

441443819861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24516771.

The product of its digits is 2654208, while the sum is 53.

The spelling of 441443819861 in words is "four hundred forty-one billion, four hundred forty-three million, eight hundred nineteen thousand, eight hundred sixty-one".