3213440443 has 4 divisors (see below), whose sum is σ = 3213609840. Its totient is φ = 3213271048.

The previous prime is 3213440441. The next prime is 3213440449. The reversal of 3213440443 is 3440443123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3213440443 - 2¹ = 3213440441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213440441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52048 + ... + 95581.

It is an arithmetic number, because the mean of its divisors is an integer number (803402460).

Almost surely, 2^3213440443 is an apocalyptic number.

3213440443 is a deficient number, since it is larger than the sum of its proper divisors (169397).

3213440443 is a wasteful number, since it uses less digits than its factorization.

3213440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169396.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 3213440443 is about 56687.2158691887. The cubic root of 3213440443 is about 1475.6728433465.

Adding to 3213440443 its reverse (3440443123), we get a palindrome (6653883566).

The spelling of 3213440443 in words is "three billion, two hundred thirteen million, four hundred forty thousand, four hundred forty-three".