3321432421 has 8 divisors (see below), whose sum is σ = 3333014784. Its totient is φ = 3309863040.

The previous prime is 3321432419. The next prime is 3321432431. The reversal of 3321432421 is 1242341233.

3321432421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3321432421 - 2¹ = 3321432419 is a prime.

It is a super-2 number, since 2×3321432421² = 22063826654539842482, which contains 22 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 (3321432431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047180 + ... + 1050346.

It is an arithmetic number, because the mean of its divisors is an integer number (416626848).

Almost surely, 2^3321432421 is an apocalyptic number.

It is an amenable number.

3321432421 is a deficient number, since it is larger than the sum of its proper divisors (11582363).

3321432421 is a wasteful number, since it uses less digits than its factorization.

3321432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491.

The product of its digits is 3456, while the sum is 25.

The square root of 3321432421 is about 57631.8698377903. The cubic root of 3321432421 is about 1492.0217021152.

Adding to 3321432421 its reverse (1242341233), we get a palindrome (4563773654).

The spelling of 3321432421 in words is "three billion, three hundred twenty-one million, four hundred thirty-two thousand, four hundred twenty-one".