3243240045013 has 4 divisors (see below), whose sum is σ = 3243294077248. Its totient is φ = 3243186012780.

The previous prime is 3243240045011. The next prime is 3243240045037. The reversal of 3243240045013 is 3105400423423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3243240045013 - 2¹ = 3243240045011 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 (3243240045011) 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, 26925981 + ... + 27046162.

It is an arithmetic number, because the mean of its divisors is an integer number (810823519312).

Almost surely, 2^{3243240045013} is an apocalyptic number.

It is an amenable number.

3243240045013 is a deficient number, since it is larger than the sum of its proper divisors (54032235).

3243240045013 is an equidigital number, since it uses as much as digits as its factorization.

3243240045013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54032234.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 3243240045013 its reverse (3105400423423), we get a palindrome (6348640468436).

The spelling of 3243240045013 in words is "three trillion, two hundred forty-three billion, two hundred forty million, forty-five thousand, thirteen".