3244321220513 has 4 divisors (see below), whose sum is σ = 3244362808980. Its totient is φ = 3244279632048.

The previous prime is 3244321220473. The next prime is 3244321220521. The reversal of 3244321220513 is 3150221234423.

3244321220513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151253321569 + 3093067898944 = 388913^2 + 1758712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3244321220513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3244321220513.

It is not an unprimeable number, because it can be changed into a prime (3244321220813) 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, 20676998 + ... + 20833311.

It is an arithmetic number, because the mean of its divisors is an integer number (811090702245).

Almost surely, 2^{3244321220513} is an apocalyptic number.

It is an amenable number.

3244321220513 is a deficient number, since it is larger than the sum of its proper divisors (41588467).

3244321220513 is an equidigital number, since it uses as much as digits as its factorization.

3244321220513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41588466.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 3244321220513 its reverse (3150221234423), we get a palindrome (6394542454936).

The spelling of 3244321220513 in words is "three trillion, two hundred forty-four billion, three hundred twenty-one million, two hundred twenty thousand, five hundred thirteen".