6809530637 has 16 divisors (see below), whose sum is σ = 8552006400. Its totient is φ = 5387756976.

The previous prime is 6809530619. The next prime is 6809530639. The reversal of 6809530637 is 7360359086.

It is not a de Polignac number, because 6809530637 - 2⁸ = 6809530381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6809530591 and 6809530600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809530639) 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, 759113 + ... + 768030.

It is an arithmetic number, because the mean of its divisors is an integer number (534500400).

Almost surely, 2^6809530637 is an apocalyptic number.

It is an amenable number.

6809530637 is a deficient number, since it is larger than the sum of its proper divisors (1742475763).

6809530637 is a wasteful number, since it uses less digits than its factorization.

6809530637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527177 (or 1527163 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 6809530637 is about 82519.8802531851. The cubic root of 6809530637 is about 1895.4211660566.

The spelling of 6809530637 in words is "six billion, eight hundred nine million, five hundred thirty thousand, six hundred thirty-seven".