6689535432 has 32 divisors (see below), whose sum is σ = 16793827200. Its totient is φ = 2220513344.

The previous prime is 6689535431. The next prime is 6689535449. The reversal of 6689535432 is 2345359866.

It is not an unprimeable number, because it can be changed into a prime (6689535431) 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, 577383 + ... + 588854.

It is an arithmetic number, because the mean of its divisors is an integer number (524807100).

Almost surely, 2^6689535432 is an apocalyptic number.

It is an amenable number.

6689535432 is an abundant number, since it is smaller than the sum of its proper divisors (10104291768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6689535432 is a wasteful number, since it uses less digits than its factorization.

6689535432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166485 (or 1166481 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 51.

The square root of 6689535432 is about 81789.5802165533. The cubic root of 6689535432 is about 1884.2216349352.

The spelling of 6689535432 in words is "six billion, six hundred eighty-nine million, five hundred thirty-five thousand, four hundred thirty-two".