3333443213 has 4 divisors (see below), whose sum is σ = 3414746748. Its totient is φ = 3252139680.

The previous prime is 3333443209. The next prime is 3333443219. The reversal of 3333443213 is 3123443333.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123443333 = 181 ⋅17256593.

It can be written as a sum of positive squares in 2 ways, for example, as 1667742244 + 1665700969 = 40838^2 + 40813^2 .

It is not a de Polignac number, because 3333443213 - 2² = 3333443209 is a prime.

It is a super-2 number, since 2×3333443213² = 22223687308591526738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3333443219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40651706 + ... + 40651787.

It is an arithmetic number, because the mean of its divisors is an integer number (853686687).

Almost surely, 2^3333443213 is an apocalyptic number.

It is an amenable number.

3333443213 is a deficient number, since it is larger than the sum of its proper divisors (81303535).

3333443213 is an equidigital number, since it uses as much as digits as its factorization.

3333443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81303534.

The product of its digits is 23328, while the sum is 29.

The square root of 3333443213 is about 57735.9784969476. The cubic root of 3333443213 is about 1493.8179958474.

Adding to 3333443213 its reverse (3123443333), we get a palindrome (6456886546).

The spelling of 3333443213 in words is "three billion, three hundred thirty-three million, four hundred forty-three thousand, two hundred thirteen".