6559493982 has 16 divisors (see below), whose sum is σ = 13148211600. Its totient is φ = 2181627392.

The previous prime is 6559493959. The next prime is 6559493987. The reversal of 6559493982 is 2893949556.

It is a super-2 number, since 2×6559493982² = 86053922599788432648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559493987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214733 + ... + 1220120.

It is an arithmetic number, because the mean of its divisors is an integer number (821763225).

Almost surely, 2^6559493982 is an apocalyptic number.

6559493982 is an abundant number, since it is smaller than the sum of its proper divisors (6588717618).

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

6559493982 is a wasteful number, since it uses less digits than its factorization.

6559493982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435307.

The product of its digits is 20995200, while the sum is 60.

The square root of 6559493982 is about 80990.7030590549. The cubic root of 6559493982 is about 1871.9321904770.

The spelling of 6559493982 in words is "six billion, five hundred fifty-nine million, four hundred ninety-three thousand, nine hundred eighty-two".