3224400243013 has 2 divisors, whose sum is σ = 3224400243014. Its totient is φ = 3224400243012.

The previous prime is 3224400243011. The next prime is 3224400243037. The reversal of 3224400243013 is 3103420044223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2945593010529 + 278807232484 = 1716273^2 + 528022^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224400243013 - 2¹ = 3224400243011 is a prime.

Together with 3224400243011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3224400243011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612200121506 + 1612200121507.

It is an arithmetic number, because the mean of its divisors is an integer number (1612200121507).

Almost surely, 2^{3224400243013} is an apocalyptic number.

It is an amenable number.

3224400243013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3224400243013 is an equidigital number, since it uses as much as digits as its factorization.

3224400243013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 3224400243013 its reverse (3103420044223), we get a palindrome (6327820287236).

The spelling of 3224400243013 in words is "three trillion, two hundred twenty-four billion, four hundred million, two hundred forty-three thousand, thirteen".