6689324754780 has 48 divisors (see below), whose sum is σ = 19236328490400. Its totient is φ = 1735608584448.

The previous prime is 6689324754649. The next prime is 6689324754787. The reversal of 6689324754780 is 874574239866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689324754787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506602455 + ... + 1506606894.

It is an arithmetic number, because the mean of its divisors is an integer number (400756843550).

Almost surely, 2^{6689324754780} is an apocalyptic number.

6689324754780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6689324754780 is an abundant number, since it is smaller than the sum of its proper divisors (12547003735620).

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

6689324754780 is a wasteful number, since it uses less digits than its factorization.

6689324754780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013209398 (or 3013209396 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 69.

The spelling of 6689324754780 in words is "six trillion, six hundred eighty-nine billion, three hundred twenty-four million, seven hundred fifty-four thousand, seven hundred eighty".