3281456656 has 15 divisors (see below), whose sum is σ = 6358266253. Its totient is φ = 1640613760.

The previous prime is 3281456623. The next prime is 3281456677. The reversal of 3281456656 is 6566541823.

The square root of 3281456656 is 57284.

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., 37015056 + 3244441600 = 6084^2 + 56960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 221976 + ... + 236296.

Almost surely, 2^3281456656 is an apocalyptic number.

3281456656 is the 57284-th square number.

It is an amenable number.

3281456656 is a deficient number, since it is larger than the sum of its proper divisors (3076809597).

3281456656 is an frugal number, since it uses more digits than its factorization.

3281456656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28650 (or 14323 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The cubic root of 3281456656 is about 1486.0116836536.

The spelling of 3281456656 in words is "three billion, two hundred eighty-one million, four hundred fifty-six thousand, six hundred fifty-six".