6483640009 has 16 divisors (see below), whose sum is σ = 8508948480. Its totient is φ = 4786281360.

The previous prime is 6483639961. The next prime is 6483640021. The reversal of 6483640009 is 9000463846.

It is not a de Polignac number, because 6483640009 - 2¹¹ = 6483637961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6483610009) 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, 2214409 + ... + 2217334.

It is an arithmetic number, because the mean of its divisors is an integer number (531809280).

Almost surely, 2^6483640009 is an apocalyptic number.

It is an amenable number.

6483640009 is a deficient number, since it is larger than the sum of its proper divisors (2025308471).

6483640009 is a wasteful number, since it uses less digits than its factorization.

6483640009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431780.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 6483640009 is about 80521.0532034946. The cubic root of 6483640009 is about 1864.6885232377.

The spelling of 6483640009 in words is "six billion, four hundred eighty-three million, six hundred forty thousand, nine".