3342043021 has 2 divisors, whose sum is σ = 3342043022. Its totient is φ = 3342043020.

The previous prime is 3342043007. The next prime is 3342043069. The reversal of 3342043021 is 1203402433.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2248087396 + 1093955625 = 47414^2 + 33075^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342043021 - 2⁵ = 3342042989 is a prime.

It is a super-2 number, since 2×3342043021² = 22338503108429612882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3342042983 and 3342043001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3342043321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671021510 + 1671021511.

It is an arithmetic number, because the mean of its divisors is an integer number (1671021511).

Almost surely, 2^3342043021 is an apocalyptic number.

It is an amenable number.

3342043021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3342043021 is an equidigital number, since it uses as much as digits as its factorization.

3342043021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3342043021 is about 57810.4058193678. The cubic root of 3342043021 is about 1495.1015051716.

Adding to 3342043021 its reverse (1203402433), we get a palindrome (4545445454).

The spelling of 3342043021 in words is "three billion, three hundred forty-two million, forty-three thousand, twenty-one".