6850685065 has 16 divisors (see below), whose sum is σ = 9488252160. Its totient is φ = 4651099200.

The previous prime is 6850685063. The next prime is 6850685089. The reversal of 6850685065 is 5605860586.

It is not a de Polignac number, because 6850685065 - 2¹ = 6850685063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6850685063) 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 15 ways as a sum of consecutive naturals, for example, 965445 + ... + 972514.

It is an arithmetic number, because the mean of its divisors is an integer number (593015760).

Almost surely, 2^6850685065 is an apocalyptic number.

It is an amenable number.

6850685065 is a deficient number, since it is larger than the sum of its proper divisors (2637567095).

6850685065 is a wasteful number, since it uses less digits than its factorization.

6850685065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938072.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The square root of 6850685065 is about 82768.8653117825. The cubic root of 6850685065 is about 1899.2319208461.

The spelling of 6850685065 in words is "six billion, eight hundred fifty million, six hundred eighty-five thousand, sixty-five".