3244327681 has 27 divisors (see below), whose sum is σ = 3859861761. Its totient is φ = 2718994824.

The previous prime is 3244327679. The next prime is 3244327687. The reversal of 3244327681 is 1867234423.

It is a happy number.

The square root of 3244327681 is 56959.

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

It is not a de Polignac number, because 3244327681 - 2¹ = 3244327679 is a prime.

It is a super-2 number, since 2×3244327681² = 21051324203405675522, which contains 22 as substring.

Its product of digits (193536) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (3244327687) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31498276 + ... + 31498378.

It is an arithmetic number, because the mean of its divisors is an integer number (142957843).

Almost surely, 2^3244327681 is an apocalyptic number.

3244327681 is the 56959-th square number.

3244327681 is the 28480-th centered octagonal number.

It is an amenable number.

3244327681 is a deficient number, since it is larger than the sum of its proper divisors (615534080).

3244327681 is an frugal number, since it uses more digits than its factorization.

3244327681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 189 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The cubic root of 3244327681 is about 1480.3857773562.

The spelling of 3244327681 in words is "three billion, two hundred forty-four million, three hundred twenty-seven thousand, six hundred eighty-one".