6774625744544 has 72 divisors (see below), whose sum is σ = 15527069670420. Its totient is φ = 2901171603456.

The previous prime is 6774625744541. The next prime is 6774625744553. The reversal of 6774625744544 is 4454475264776.

It can be written as a sum of positive squares in 2 ways, for example, as 4970170854544 + 1804454890000 = 2229388^2 + 1343300^2 .

It is not an unprimeable number, because it can be changed into a prime (6774625744541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368102 + ... + 3699290.

Almost surely, 2^{6774625744544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6774625744544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7763534835210).

6774625744544 is an abundant number, since it is smaller than the sum of its proper divisors (8752443925876).

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

6774625744544 is a wasteful number, since it uses less digits than its factorization.

6774625744544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332510 (or 3332495 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 65.

The spelling of 6774625744544 in words is "six trillion, seven hundred seventy-four billion, six hundred twenty-five million, seven hundred forty-four thousand, five hundred forty-four".