3433030021 has 4 divisors (see below), whose sum is σ = 3433368172. Its totient is φ = 3432691872.

The previous prime is 3433030009. The next prime is 3433030033. The reversal of 3433030021 is 1200303343.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3433030009) and next prime (3433030033).

It can be written as a sum of positive squares in 2 ways, for example, as 2674027521 + 759002500 = 51711^2 + 27550^2 .

It is a cyclic number.

It is not a de Polignac number, because 3433030021 - 2⁷ = 3433029893 is a prime.

It is a super-3 number, since 3×3433030021³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3433030421) 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 in 3 ways as a sum of consecutive naturals, for example, 153360 + ... + 174313.

It is an arithmetic number, because the mean of its divisors is an integer number (858342043).

Almost surely, 2^3433030021 is an apocalyptic number.

It is an amenable number.

3433030021 is a deficient number, since it is larger than the sum of its proper divisors (338151).

3433030021 is a wasteful number, since it uses less digits than its factorization.

3433030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338150.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3433030021 is about 58592.0644882906. The cubic root of 3433030021 is about 1508.5482327536.

Adding to 3433030021 its reverse (1200303343), we get a palindrome (4633333364).

The spelling of 3433030021 in words is "three billion, four hundred thirty-three million, thirty thousand, twenty-one".