14203030665421 has 16 divisors (see below), whose sum is σ = 16100738236800. Its totient is φ = 12420358630848.

The previous prime is 14203030665389. The next prime is 14203030665443. The reversal of 14203030665421 is 12456603030241.

It is a cyclic number.

It is not a de Polignac number, because 14203030665421 - 2⁵ = 14203030665389 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 (14203030665721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48921075 + ... + 49210543.

It is an arithmetic number, because the mean of its divisors is an integer number (1006296139800).

Almost surely, 2^{14203030665421} is an apocalyptic number.

It is an amenable number.

14203030665421 is a deficient number, since it is larger than the sum of its proper divisors (1897707571379).

14203030665421 is a wasteful number, since it uses less digits than its factorization.

14203030665421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488148.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 14203030665421 its reverse (12456603030241), we get a palindrome (26659633695662).

The spelling of 14203030665421 in words is "fourteen trillion, two hundred three billion, thirty million, six hundred sixty-five thousand, four hundred twenty-one".