3243148289 has 2 divisors, whose sum is σ = 3243148290. Its totient is φ = 3243148288.

The previous prime is 3243148283. The next prime is 3243148291. The reversal of 3243148289 is 9828413423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633533889 + 1609614400 = 40417^2 + 40120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243148289 - 2⁴ = 3243148273 is a prime.

Together with 3243148291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3243148283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621574144 + 1621574145.

It is an arithmetic number, because the mean of its divisors is an integer number (1621574145).

Almost surely, 2^3243148289 is an apocalyptic number.

It is an amenable number.

3243148289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243148289 is an equidigital number, since it uses as much as digits as its factorization.

3243148289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 3243148289 is about 56948.6460681902. The cubic root of 3243148289 is about 1480.2063702060.

The spelling of 3243148289 in words is "three billion, two hundred forty-three million, one hundred forty-eight thousand, two hundred eighty-nine".