3421441321 has 4 divisors (see below), whose sum is σ = 3601517200. Its totient is φ = 3241365444.

The previous prime is 3421441313. The next prime is 3421441343. The reversal of 3421441321 is 1231441243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1231441243 = 19 ⋅64812697.

It is a cyclic number.

It is not a de Polignac number, because 3421441321 - 2³ = 3421441313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421441351) 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, 90037911 + ... + 90037948.

It is an arithmetic number, because the mean of its divisors is an integer number (900379300).

Almost surely, 2^3421441321 is an apocalyptic number.

It is an amenable number.

3421441321 is a deficient number, since it is larger than the sum of its proper divisors (180075879).

3421441321 is a wasteful number, since it uses less digits than its factorization.

3421441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180075878.

The product of its digits is 2304, while the sum is 25.

The square root of 3421441321 is about 58493.0878053125. The cubic root of 3421441321 is about 1506.8488767014.

Adding to 3421441321 its reverse (1231441243), we get a palindrome (4652882564).

The spelling of 3421441321 in words is "three billion, four hundred twenty-one million, four hundred forty-one thousand, three hundred twenty-one".