6512886844 has 48 divisors (see below), whose sum is σ = 11992006656. Its totient is φ = 3091132800.

The previous prime is 6512886841. The next prime is 6512886869. The reversal of 6512886844 is 4486882156.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6512886791 and 6512886800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512886841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1727049 + ... + 1730815.

It is an arithmetic number, because the mean of its divisors is an integer number (249833472).

Almost surely, 2^6512886844 is an apocalyptic number.

It is an amenable number.

6512886844 is a deficient number, since it is larger than the sum of its proper divisors (5479119812).

6512886844 is a wasteful number, since it uses less digits than its factorization.

6512886844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066 (or 4064 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The square root of 6512886844 is about 80702.4587233871. The cubic root of 6512886844 is about 1867.4881049787.

The spelling of 6512886844 in words is "six billion, five hundred twelve million, eight hundred eighty-six thousand, eight hundred forty-four".