4043213445 has 32 divisors (see below), whose sum is σ = 6932241792. Its totient is φ = 2005071872.

The previous prime is 4043213389. The next prime is 4043213507. The reversal of 4043213445 is 5443123404.

It is a cyclic number.

It is not a de Polignac number, because 4043213445 - 2¹⁰ = 4043212421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74352 + ... + 116681.

It is an arithmetic number, because the mean of its divisors is an integer number (216632556).

Almost surely, 2^4043213445 is an apocalyptic number.

It is an amenable number.

4043213445 is a deficient number, since it is larger than the sum of its proper divisors (2889028347).

4043213445 is a wasteful number, since it uses less digits than its factorization.

4043213445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191141.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 4043213445 is about 63586.2677391904. The cubic root of 4043213445 is about 1593.0970114494.

Adding to 4043213445 its reverse (5443123404), we get a palindrome (9486336849).

The spelling of 4043213445 in words is "four billion, forty-three million, two hundred thirteen thousand, four hundred forty-five".