6817085445 has 16 divisors (see below), whose sum is σ = 10911133440. Its totient is φ = 3634513344.

The previous prime is 6817085441. The next prime is 6817085447. The reversal of 6817085445 is 5445807186.

It is not a de Polignac number, because 6817085445 - 2² = 6817085441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6817085394 and 6817085403.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33730 + ... + 121539.

It is an arithmetic number, because the mean of its divisors is an integer number (681945840).

Almost surely, 2^6817085445 is an apocalyptic number.

It is an amenable number.

6817085445 is a deficient number, since it is larger than the sum of its proper divisors (4094047995).

6817085445 is a wasteful number, since it uses less digits than its factorization.

6817085445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158204.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 6817085445 is about 82565.6432482664. The cubic root of 6817085445 is about 1896.1218629389.

The spelling of 6817085445 in words is "six billion, eight hundred seventeen million, eighty-five thousand, four hundred forty-five".