3243443745 has 16 divisors (see below), whose sum is σ = 5198159232. Its totient is φ = 1726953600.

The previous prime is 3243443741. The next prime is 3243443783. The reversal of 3243443745 is 5473443423.

It is not a de Polignac number, because 3243443745 - 2² = 3243443741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243443741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170877 + ... + 188906.

It is an arithmetic number, because the mean of its divisors is an integer number (324884952).

Almost surely, 2^3243443745 is an apocalyptic number.

It is an amenable number.

3243443745 is a deficient number, since it is larger than the sum of its proper divisors (1954715487).

3243443745 is a wasteful number, since it uses less digits than its factorization.

3243443745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360392.

The product of its digits is 483840, while the sum is 39.

The square root of 3243443745 is about 56951.2400655157. The cubic root of 3243443745 is about 1480.2513185642.

The spelling of 3243443745 in words is "three billion, two hundred forty-three million, four hundred forty-three thousand, seven hundred forty-five".