6744684284809 has 27 divisors (see below), whose sum is σ = 7258007908263. Its totient is φ = 6266709665424.

The previous prime is 6744684284801. The next prime is 6744684284917. The reversal of 6744684284809 is 9084824864476.

The square root of 6744684284809 is 2597053.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4862223452025 + 1882460832784 = 2205045^2 + 1372028^2 .

It is not a de Polignac number, because 6744684284809 - 2³ = 6744684284801 is a prime.

It is a super-2 number, since 2×6744684284809² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6744684284801) 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 26 ways as a sum of consecutive naturals, for example, 2615231082 + ... + 2615233660.

Almost surely, 2^{6744684284809} is an apocalyptic number.

6744684284809 is the 2597053-rd square number.

6744684284809 is the 1298527-th centered octagonal number.

It is an amenable number.

6744684284809 is a deficient number, since it is larger than the sum of its proper divisors (513323623454).

6744684284809 is an frugal number, since it uses more digits than its factorization.

6744684284809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 594542592, while the sum is 70.

The spelling of 6744684284809 in words is "six trillion, seven hundred forty-four billion, six hundred eighty-four million, two hundred eighty-four thousand, eight hundred nine".