3345543449 has 2 divisors, whose sum is σ = 3345543450. Its totient is φ = 3345543448.

The previous prime is 3345543403. The next prime is 3345543463. The reversal of 3345543449 is 9443455433.

3345543449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3150801424 + 194742025 = 56132^2 + 13955^2 .

It is an emirp because it is prime and its reverse (9443455433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3345543449 - 2⁸ = 3345543193 is a prime.

It is a super-2 number, since 2×3345543449² = 22385321938293631202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3365543449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672771724 + 1672771725.

It is an arithmetic number, because the mean of its divisors is an integer number (1672771725).

Almost surely, 2^3345543449 is an apocalyptic number.

It is an amenable number.

3345543449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345543449 is an equidigital number, since it uses as much as digits as its factorization.

3345543449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 44.

The square root of 3345543449 is about 57840.6729646189. The cubic root of 3345543449 is about 1495.6233086541.

The spelling of 3345543449 in words is "three billion, three hundred forty-five million, five hundred forty-three thousand, four hundred forty-nine".