6559786436 has 12 divisors (see below), whose sum is σ = 13119572928. Its totient is φ = 2811337032.

The previous prime is 6559786433. The next prime is 6559786451. The reversal of 6559786436 is 6346879556.

6559786436 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6559786433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117139016 + ... + 117139071.

It is an arithmetic number, because the mean of its divisors is an integer number (1093297744).

Almost surely, 2^6559786436 is an apocalyptic number.

It is an amenable number.

6559786436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6559786436 is a wasteful number, since it uses less digits than its factorization.

6559786436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234278098 (or 234278096 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 59.

The square root of 6559786436 is about 80992.5085177635. The cubic root of 6559786436 is about 1871.9600099969.

The spelling of 6559786436 in words is "six billion, five hundred fifty-nine million, seven hundred eighty-six thousand, four hundred thirty-six".