14001200043421 has 4 divisors (see below), whose sum is σ = 14007703157532. Its totient is φ = 13994696929312.

The previous prime is 14001200043403. The next prime is 14001200043449. The reversal of 14001200043421 is 12434000210041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7216685859321 + 6784514184100 = 2686389^2 + 2604710^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001200043421 - 2⁹ = 14001200042909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14001200043392 and 14001200043401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14001200043451) 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, 3251553826 + ... + 3251558131.

It is an arithmetic number, because the mean of its divisors is an integer number (3501925789383).

Almost surely, 2^{14001200043421} is an apocalyptic number.

It is an amenable number.

14001200043421 is a deficient number, since it is larger than the sum of its proper divisors (6503114111).

14001200043421 is an equidigital number, since it uses as much as digits as its factorization.

14001200043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503114110.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 14001200043421 its reverse (12434000210041), we get a palindrome (26435200253462).

The spelling of 14001200043421 in words is "fourteen trillion, one billion, two hundred million, forty-three thousand, four hundred twenty-one".