6819889375824 has 320 divisors, whose sum is σ = 21721063096320. Its totient is φ = 1800175104000.

The previous prime is 6819889375799. The next prime is 6819889375891. The reversal of 6819889375824 is 4285739889186.

It is a self number, because there is not a number n which added to its sum of digits gives 6819889375824.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 832603569 + ... + 832611759.

It is an arithmetic number, because the mean of its divisors is an integer number (67878322176).

Almost surely, 2^{6819889375824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6819889375824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10860531548160).

6819889375824 is an abundant number, since it is smaller than the sum of its proper divisors (14901173720496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6819889375824 is a wasteful number, since it uses less digits than its factorization.

6819889375824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450 (or 11444 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 78.

The spelling of 6819889375824 in words is "six trillion, eight hundred nineteen billion, eight hundred eighty-nine million, three hundred seventy-five thousand, eight hundred twenty-four".