14203410421 has 2 divisors, whose sum is σ = 14203410422. Its totient is φ = 14203410420.

The previous prime is 14203410407. The next prime is 14203410437. The reversal of 14203410421 is 12401430241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8890604100 + 5312806321 = 94290^2 + 72889^2 .

It is a cyclic number.

It is not a de Polignac number, because 14203410421 - 2¹⁹ = 14202886133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14203410392 and 14203410401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14203410521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7101705210 + 7101705211.

It is an arithmetic number, because the mean of its divisors is an integer number (7101705211).

Almost surely, 2^14203410421 is an apocalyptic number.

It is an amenable number.

14203410421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14203410421 is an equidigital number, since it uses as much as digits as its factorization.

14203410421 is an evil number, because the sum of its binary digits is even.

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

Adding to 14203410421 its reverse (12401430241), we get a palindrome (26604840662).

The spelling of 14203410421 in words is "fourteen billion, two hundred three million, four hundred ten thousand, four hundred twenty-one".