6409824984 has 24 divisors (see below), whose sum is σ = 17359942860. Its totient is φ = 2136608304.

The previous prime is 6409824983. The next prime is 6409824991. The reversal of 6409824984 is 4894289046.

6409824984 is a `hidden beast` number, since 64 + 0 + 98 + 2 + 498 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6409824984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409824983) 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 5 ways as a sum of consecutive naturals, for example, 44512602 + ... + 44512745.

Almost surely, 2^6409824984 is an apocalyptic number.

It is an amenable number.

6409824984 is an abundant number, since it is smaller than the sum of its proper divisors (10950117876).

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

6409824984 is a wasteful number, since it uses less digits than its factorization.

6409824984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89025359 (or 89025352 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 6409824984 is about 80061.3826011018. The cubic root of 6409824984 is about 1857.5851213568.

The spelling of 6409824984 in words is "six billion, four hundred nine million, eight hundred twenty-four thousand, nine hundred eighty-four".