3321056563 has 8 divisors (see below), whose sum is σ = 3623644080. Its totient is φ = 3018581280.

The previous prime is 3321056561. The next prime is 3321056579. The reversal of 3321056563 is 3656501233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3321056563 - 2¹ = 3321056561 is a prime.

It is a super-2 number, since 2×3321056563² = 22058833389290745938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321056561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41281 + ... + 91357.

It is an arithmetic number, because the mean of its divisors is an integer number (452955510).

Almost surely, 2^3321056563 is an apocalyptic number.

3321056563 is a deficient number, since it is larger than the sum of its proper divisors (302587517).

3321056563 is a wasteful number, since it uses less digits than its factorization.

3321056563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56117.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 3321056563 is about 57628.6088935001. The cubic root of 3321056563 is about 1491.9654202287.

Adding to 3321056563 its reverse (3656501233), we get a palindrome (6977557796).

The spelling of 3321056563 in words is "three billion, three hundred twenty-one million, fifty-six thousand, five hundred sixty-three".