6868071809 has 8 divisors (see below), whose sum is σ = 6934019040. Its totient is φ = 6802157376.

The previous prime is 6868071803. The next prime is 6868071839. The reversal of 6868071809 is 9081708686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6868071809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6868071803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709202 + ... + 718820.

It is an arithmetic number, because the mean of its divisors is an integer number (866752380).

Almost surely, 2^6868071809 is an apocalyptic number.

It is an amenable number.

6868071809 is a deficient number, since it is larger than the sum of its proper divisors (65947231).

6868071809 is a wasteful number, since it uses less digits than its factorization.

6868071809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 6868071809 is about 82873.8306644504. The cubic root of 6868071809 is about 1900.8372864668.

The spelling of 6868071809 in words is "six billion, eight hundred sixty-eight million, seventy-one thousand, eight hundred nine".