14042304401421 has 4 divisors (see below), whose sum is σ = 18723072535232. Its totient is φ = 9361536267612.

The previous prime is 14042304401417. The next prime is 14042304401441. The reversal of 14042304401421 is 12410440324041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14042304401421 - 2² = 14042304401417 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 (14042304401441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340384066901 + ... + 2340384066906.

It is an arithmetic number, because the mean of its divisors is an integer number (4680768133808).

Almost surely, 2^{14042304401421} is an apocalyptic number.

It is an amenable number.

14042304401421 is a deficient number, since it is larger than the sum of its proper divisors (4680768133811).

14042304401421 is an equidigital number, since it uses as much as digits as its factorization.

14042304401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680768133810.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 14042304401421 its reverse (12410440324041), we get a palindrome (26452744725462).

The spelling of 14042304401421 in words is "fourteen trillion, forty-two billion, three hundred four million, four hundred one thousand, four hundred twenty-one".