3453334021 has 2 divisors, whose sum is σ = 3453334022. Its totient is φ = 3453334020.

The previous prime is 3453334009. The next prime is 3453334043. The reversal of 3453334021 is 1204333543.

3453334021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2664004996 + 789329025 = 51614^2 + 28095^2 .

It is a cyclic number.

It is not a de Polignac number, because 3453334021 - 2¹⁵ = 3453301253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3453334121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726667010 + 1726667011.

It is an arithmetic number, because the mean of its divisors is an integer number (1726667011).

Almost surely, 2^3453334021 is an apocalyptic number.

It is an amenable number.

3453334021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453334021 is an equidigital number, since it uses as much as digits as its factorization.

3453334021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 3453334021 is about 58765.0748404186. The cubic root of 3453334021 is about 1511.5163956228.

Adding to 3453334021 its reverse (1204333543), we get a palindrome (4657667564).

The spelling of 3453334021 in words is "three billion, four hundred fifty-three million, three hundred thirty-four thousand, twenty-one".