6559444704 has 96 divisors (see below), whose sum is σ = 18075778560. Its totient is φ = 2078776832.

The previous prime is 6559444669. The next prime is 6559444709. The reversal of 6559444704 is 4074449556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559444709) 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, 359842 + ... + 377630.

It is an arithmetic number, because the mean of its divisors is an integer number (188289360).

Almost surely, 2^6559444704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6559444704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9037889280).

6559444704 is an abundant number, since it is smaller than the sum of its proper divisors (11516333856).

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

6559444704 is a wasteful number, since it uses less digits than its factorization.

6559444704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992 (or 17984 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The square root of 6559444704 is about 80990.3988383808. The cubic root of 6559444704 is about 1871.9275028539.

The spelling of 6559444704 in words is "six billion, five hundred fifty-nine million, four hundred forty-four thousand, seven hundred four".