3243011999 has 4 divisors (see below), whose sum is σ = 3253575864. Its totient is φ = 3232448136.

The previous prime is 3243011963. The next prime is 3243012007. The reversal of 3243011999 is 9991103423.

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 3243011999 - 2²⁸ = 2974576543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243011909) 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, 5281472 + ... + 5282085.

It is an arithmetic number, because the mean of its divisors is an integer number (813393966).

Almost surely, 2^3243011999 is an apocalyptic number.

3243011999 is a deficient number, since it is larger than the sum of its proper divisors (10563865).

3243011999 is a wasteful number, since it uses less digits than its factorization.

3243011999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563864.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3243011999 is about 56947.4494512265. The cubic root of 3243011999 is about 1480.1856351944.

The spelling of 3243011999 in words is "three billion, two hundred forty-three million, eleven thousand, nine hundred ninety-nine".