14130443236421 has 4 divisors (see below), whose sum is σ = 14874150775200. Its totient is φ = 13386735697644.

The previous prime is 14130443236379. The next prime is 14130443236463. The reversal of 14130443236421 is 12463234403141.

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 an interprime number because it is at equal distance from previous prime (14130443236379) and next prime (14130443236463).

It is a cyclic number.

It is not a de Polignac number, because 14130443236421 - 2²² = 14130439042117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130443238421) 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, 371853769361 + ... + 371853769398.

It is an arithmetic number, because the mean of its divisors is an integer number (3718537693800).

Almost surely, 2^{14130443236421} is an apocalyptic number.

It is an amenable number.

14130443236421 is a deficient number, since it is larger than the sum of its proper divisors (743707538779).

14130443236421 is an equidigital number, since it uses as much as digits as its factorization.

14130443236421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743707538778.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 14130443236421 its reverse (12463234403141), we get a palindrome (26593677639562).

The spelling of 14130443236421 in words is "fourteen trillion, one hundred thirty billion, four hundred forty-three million, two hundred thirty-six thousand, four hundred twenty-one".