6505532844 has 24 divisors (see below), whose sum is σ = 15589836528. Its totient is φ = 2109902400.

The previous prime is 6505532837. The next prime is 6505532857. The reversal of 6505532844 is 4482355056.

It is a junction number, because it is equal to n+sod(n) for n = 6505532796 and 6505532805.

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, 7325607 + ... + 7326494.

It is an arithmetic number, because the mean of its divisors is an integer number (649576522).

Almost surely, 2^6505532844 is an apocalyptic number.

It is an amenable number.

6505532844 is an abundant number, since it is smaller than the sum of its proper divisors (9084303684).

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

6505532844 is a wasteful number, since it uses less digits than its factorization.

6505532844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652145 (or 14652143 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The square root of 6505532844 is about 80656.8834260288. The cubic root of 6505532844 is about 1866.7849513622.

The spelling of 6505532844 in words is "six billion, five hundred five million, five hundred thirty-two thousand, eight hundred forty-four".