14220413543421 has 12 divisors (see below), whose sum is σ = 20546900112960. Its totient is φ = 9477366723720.

The previous prime is 14220413543393. The next prime is 14220413543437. The reversal of 14220413543421 is 12434531402241.

14220413543421 is a `hidden beast` number, since 1 + 4 + 2 + 204 + 13 + 5 + 434 + 2 + 1 = 666.

It is not a de Polignac number, because 14220413543421 - 2²⁶ = 14220346434557 is a prime.

It is a super-2 number, since 2×14220413543421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220413543221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242383365 + ... + 242442026.

It is an arithmetic number, because the mean of its divisors is an integer number (1712241676080).

Almost surely, 2^{14220413543421} is an apocalyptic number.

It is an amenable number.

14220413543421 is a deficient number, since it is larger than the sum of its proper divisors (6326486569539).

14220413543421 is a wasteful number, since it uses less digits than its factorization.

14220413543421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484828656 (or 484828653 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 14220413543421 its reverse (12434531402241), we get a palindrome (26654944945662).

The spelling of 14220413543421 in words is "fourteen trillion, two hundred twenty billion, four hundred thirteen million, five hundred forty-three thousand, four hundred twenty-one".