3230643225613 has 2 divisors, whose sum is σ = 3230643225614. Its totient is φ = 3230643225612.

The previous prime is 3230643225571. The next prime is 3230643225653. The reversal of 3230643225613 is 3165223460323.

It is an a-pointer prime, because the next prime (3230643225653) can be obtained adding 3230643225613 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2083351597924 + 1147291627689 = 1443382^2 + 1071117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3230643225613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3230643225653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615321612806 + 1615321612807.

It is an arithmetic number, because the mean of its divisors is an integer number (1615321612807).

Almost surely, 2^{3230643225613} is an apocalyptic number.

It is an amenable number.

3230643225613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230643225613 is an equidigital number, since it uses as much as digits as its factorization.

3230643225613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 3230643225613 its reverse (3165223460323), we get a palindrome (6395866685936).

The spelling of 3230643225613 in words is "three trillion, two hundred thirty billion, six hundred forty-three million, two hundred twenty-five thousand, six hundred thirteen".