6809530628 has 6 divisors (see below), whose sum is σ = 11916678606. Its totient is φ = 3404765312.

The previous prime is 6809530619. The next prime is 6809530639. The reversal of 6809530628 is 8260359086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4789747264 + 2019783364 = 69208^2 + 44942^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 851191325 + ... + 851191332.

It is an arithmetic number, because the mean of its divisors is an integer number (1986113101).

Almost surely, 2^6809530628 is an apocalyptic number.

It is an amenable number.

6809530628 is a deficient number, since it is larger than the sum of its proper divisors (5107147978).

6809530628 is a wasteful number, since it uses less digits than its factorization.

6809530628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702382661 (or 1702382659 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 6809530628 is about 82519.8801986527. The cubic root of 6809530628 is about 1895.4211652216.

The spelling of 6809530628 in words is "six billion, eight hundred nine million, five hundred thirty thousand, six hundred twenty-eight".