6817085444 has 24 divisors (see below), whose sum is σ = 12875498328. Its totient is φ = 3139511040.

The previous prime is 6817085441. The next prime is 6817085447. The reversal of 6817085444 is 4445807186.

It is an interprime number because it is at equal distance from previous prime (6817085441) and next prime (6817085447).

It can be written as a sum of positive squares in 4 ways, for example, as 640697344 + 6176388100 = 25312^2 + 78590^2 .

It is not an unprimeable number, because it can be changed into a prime (6817085441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118217 + ... + 166160.

It is an arithmetic number, because the mean of its divisors is an integer number (536479097).

Almost surely, 2^6817085444 is an apocalyptic number.

It is an amenable number.

6817085444 is a deficient number, since it is larger than the sum of its proper divisors (6058412884).

6817085444 is a wasteful number, since it uses less digits than its factorization.

6817085444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284855 (or 284853 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 6817085444 is about 82565.6432422106. The cubic root of 6817085444 is about 1896.1218628462.

The spelling of 6817085444 in words is "six billion, eight hundred seventeen million, eighty-five thousand, four hundred forty-four".