3243333449 has 2 divisors, whose sum is σ = 3243333450. Its totient is φ = 3243333448.

The previous prime is 3243333403. The next prime is 3243333451. The reversal of 3243333449 is 9443333423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021131849 + 1222201600 = 44957^2 + 34960^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243333449 - 2¹⁶ = 3243267913 is a prime.

It is a super-2 number, since 2×3243333449² = 21038423722804471202, which contains 22 as substring.

Together with 3243333451, 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 (3273333449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621666724 + 1621666725.

It is an arithmetic number, because the mean of its divisors is an integer number (1621666725).

Almost surely, 2^3243333449 is an apocalyptic number.

It is an amenable number.

3243333449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243333449 is an equidigital number, since it uses as much as digits as its factorization.

3243333449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 38.

The square root of 3243333449 is about 56950.2717201595. The cubic root of 3243333449 is about 1480.2345393153.

The spelling of 3243333449 in words is "three billion, two hundred forty-three million, three hundred thirty-three thousand, four hundred forty-nine".