3985819504441 has 8 divisors (see below), whose sum is σ = 3989511662400. Its totient is φ = 3982127602992.

The previous prime is 3985819504379. The next prime is 3985819504481. The reversal of 3985819504441 is 1444059185893.

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 3985819504441 - 2¹⁷ = 3985819373369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3985819504441.

It is not an unprimeable number, because it can be changed into a prime (3985819504481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46448211 + ... + 46533943.

It is an arithmetic number, because the mean of its divisors is an integer number (498688957800).

Almost surely, 2^{3985819504441} is an apocalyptic number.

It is an amenable number.

3985819504441 is a deficient number, since it is larger than the sum of its proper divisors (3692157959).

3985819504441 is a wasteful number, since it uses less digits than its factorization.

3985819504441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128255.

The product of its (nonzero) digits is 24883200, while the sum is 61.

The spelling of 3985819504441 in words is "three trillion, nine hundred eighty-five billion, eight hundred nineteen million, five hundred four thousand, four hundred forty-one".