4430214213421 has 8 divisors (see below), whose sum is σ = 4473056420280. Its totient is φ = 4387435809792.

The previous prime is 4430214213319. The next prime is 4430214213461. The reversal of 4430214213421 is 1243124120344.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2172422479396 + 2257791734025 = 1473914^2 + 1502595^2 .

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 4430214213421 - 2¹⁵ = 4430214180653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430214213461) 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, 15811260 + ... + 16089013.

It is an arithmetic number, because the mean of its divisors is an integer number (559132052535).

Almost surely, 2^{4430214213421} is an apocalyptic number.

It is an amenable number.

4430214213421 is a deficient number, since it is larger than the sum of its proper divisors (42842206859).

4430214213421 is a wasteful number, since it uses less digits than its factorization.

4430214213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31901615.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4430214213421 its reverse (1243124120344), we get a palindrome (5673338333765).

The spelling of 4430214213421 in words is "four trillion, four hundred thirty billion, two hundred fourteen million, two hundred thirteen thousand, four hundred twenty-one".