14001424323421 has 2 divisors, whose sum is σ = 14001424323422. Its totient is φ = 14001424323420.

The previous prime is 14001424323377. The next prime is 14001424323431. The reversal of 14001424323421 is 12432342410041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7623198308196 + 6378226015225 = 2761014^2 + 2525515^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001424323421 - 2¹¹ = 14001424321373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14001424323431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000712161710 + 7000712161711.

It is an arithmetic number, because the mean of its divisors is an integer number (7000712161711).

Almost surely, 2^{14001424323421} is an apocalyptic number.

It is an amenable number.

14001424323421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001424323421 is an equidigital number, since it uses as much as digits as its factorization.

14001424323421 is an evil number, because the sum of its binary digits is even.

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

Adding to 14001424323421 its reverse (12432342410041), we get a palindrome (26433766733462).

The spelling of 14001424323421 in words is "fourteen trillion, one billion, four hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-one".