3243320029 has 2 divisors, whose sum is σ = 3243320030. Its totient is φ = 3243320028.

The previous prime is 3243319997. The next prime is 3243320039. The reversal of 3243320029 is 9200233423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1984702500 + 1258617529 = 44550^2 + 35477^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243320029 - 2⁵ = 3243319997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3243319979 and 3243320006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243320039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621660014 + 1621660015.

It is an arithmetic number, because the mean of its divisors is an integer number (1621660015).

Almost surely, 2^3243320029 is an apocalyptic number.

It is an amenable number.

3243320029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243320029 is an equidigital number, since it uses as much as digits as its factorization.

3243320029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 3243320029 is about 56950.1538979483. The cubic root of 3243320029 is about 1480.2324977146.

The spelling of 3243320029 in words is "three billion, two hundred forty-three million, three hundred twenty thousand, twenty-nine".