6427582689 has 16 divisors (see below), whose sum is σ = 9364492224. Its totient is φ = 3889137600.

The previous prime is 6427582663. The next prime is 6427582703. The reversal of 6427582689 is 9862857246.

It is a happy number.

It is not a de Polignac number, because 6427582689 - 2¹⁹ = 6427058401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6427582639) 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 15 ways as a sum of consecutive naturals, for example, 138642 + ... + 179099.

It is an arithmetic number, because the mean of its divisors is an integer number (585280764).

Almost surely, 2^6427582689 is an apocalyptic number.

It is an amenable number.

6427582689 is a deficient number, since it is larger than the sum of its proper divisors (2936909535).

6427582689 is a wasteful number, since it uses less digits than its factorization.

6427582689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318368.

The product of its digits is 11612160, while the sum is 57.

The square root of 6427582689 is about 80172.2064620901. The cubic root of 6427582689 is about 1859.2989504509.

The spelling of 6427582689 in words is "six billion, four hundred twenty-seven million, five hundred eighty-two thousand, six hundred eighty-nine".