6807328690 has 16 divisors (see below), whose sum is σ = 12276719640. Its totient is φ = 2717703040.

The previous prime is 6807328681. The next prime is 6807328741. The reversal of 6807328690 is 968237086.

It can be written as a sum of positive squares in 4 ways, for example, as 4959962329 + 1847366361 = 70427^2 + 42981^2 .

It is a super-2 number, since 2×6807328690² = 92679447787394232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648085 + ... + 658504.

Almost surely, 2^6807328690 is an apocalyptic number.

6807328690 is a deficient number, since it is larger than the sum of its proper divisors (5469390950).

6807328690 is a wasteful number, since it uses less digits than its factorization.

6807328690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307117.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 6807328690 is about 82506.5372561472. The cubic root of 6807328690 is about 1895.2168413086.

The spelling of 6807328690 in words is "six billion, eight hundred seven million, three hundred twenty-eight thousand, six hundred ninety".