6489321324766 has 16 divisors (see below), whose sum is σ = 11508156044640. Its totient is φ = 2685236410080.

The previous prime is 6489321324757. The next prime is 6489321324779. The reversal of 6489321324766 is 6674231239846.

It is a super-2 number, since 2×6489321324766² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7991774625 + ... + 7991775436.

It is an arithmetic number, because the mean of its divisors is an integer number (719259752790).

Almost surely, 2^{6489321324766} is an apocalyptic number.

6489321324766 is a deficient number, since it is larger than the sum of its proper divisors (5018834719874).

6489321324766 is a wasteful number, since it uses less digits than its factorization.

6489321324766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983550099.

The product of its digits is 62705664, while the sum is 61.

The spelling of 6489321324766 in words is "six trillion, four hundred eighty-nine billion, three hundred twenty-one million, three hundred twenty-four thousand, seven hundred sixty-six".