6564084890 has 16 divisors (see below), whose sum is σ = 12889476000. Its totient is φ = 2386939920.

The previous prime is 6564084853. The next prime is 6564084941. The reversal of 6564084890 is 984804656.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29836640 + ... + 29836859.

It is an arithmetic number, because the mean of its divisors is an integer number (805592250).

Almost surely, 2^6564084890 is an apocalyptic number.

6564084890 is a deficient number, since it is larger than the sum of its proper divisors (6325391110).

6564084890 is a wasteful number, since it uses less digits than its factorization.

6564084890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59673517.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 6564084890 is about 81019.0402930077. The cubic root of 6564084890 is about 1872.3688026281.

The spelling of 6564084890 in words is "six billion, five hundred sixty-four million, eighty-four thousand, eight hundred ninety".