3213445443 has 32 divisors (see below), whose sum is σ = 4708704000. Its totient is φ = 1937229696.

The previous prime is 3213445441. The next prime is 3213445453. The reversal of 3213445443 is 3445443123.

3213445443 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3213445443 - 2¹ = 3213445441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213445441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704133 + ... + 708681.

It is an arithmetic number, because the mean of its divisors is an integer number (147147000).

Almost surely, 2^3213445443 is an apocalyptic number.

3213445443 is a deficient number, since it is larger than the sum of its proper divisors (1495258557).

3213445443 is a wasteful number, since it uses less digits than its factorization.

3213445443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

The product of its digits is 69120, while the sum is 33.

The square root of 3213445443 is about 56687.2599708259. The cubic root of 3213445443 is about 1475.6736087111.

Adding to 3213445443 its reverse (3445443123), we get a palindrome (6658888566).

It can be divided in two parts, 32134 and 45443, that added together give a palindrome (77577).

The spelling of 3213445443 in words is "three billion, two hundred thirteen million, four hundred forty-five thousand, four hundred forty-three".