14130443021 has 2 divisors, whose sum is σ = 14130443022. Its totient is φ = 14130443020.

The previous prime is 14130443017. The next prime is 14130443057. The reversal of 14130443021 is 12034403141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13833052996 + 297390025 = 117614^2 + 17245^2 .

It is a cyclic number.

It is not a de Polignac number, because 14130443021 - 2² = 14130443017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14130443071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7065221510 + 7065221511.

It is an arithmetic number, because the mean of its divisors is an integer number (7065221511).

Almost surely, 2^14130443021 is an apocalyptic number.

It is an amenable number.

14130443021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14130443021 is an equidigital number, since it uses as much as digits as its factorization.

14130443021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 14130443021 its reverse (12034403141), we get a palindrome (26164846162).

The spelling of 14130443021 in words is "fourteen billion, one hundred thirty million, four hundred forty-three thousand, twenty-one".