3213075856 has 45 divisors (see below), whose sum is σ = 6414883041. Its totient is φ = 1559036736.

The previous prime is 3213075841. The next prime is 3213075911. The reversal of 3213075856 is 6585703123.

The square root of 3213075856 is 56684.

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

3213075856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2875104400 + 337971456 = 53620^2 + 18384^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8389041 + ... + 8389423.

Almost surely, 2^3213075856 is an apocalyptic number.

3213075856 is the 56684-th square number.

It is an amenable number.

3213075856 is a deficient number, since it is larger than the sum of its proper divisors (3201807185).

3213075856 is an frugal number, since it uses more digits than its factorization.

3213075856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The cubic root of 3213075856 is about 1475.6170328123.

Adding to 3213075856 its reverse (6585703123), we get a palindrome (9798778979).

The spelling of 3213075856 in words is "three billion, two hundred thirteen million, seventy-five thousand, eight hundred fifty-six".