14343755021 has 2 divisors, whose sum is σ = 14343755022. Its totient is φ = 14343755020.

The previous prime is 14343754991. The next prime is 14343755039. The reversal of 14343755021 is 12055734341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13044152521 + 1299602500 = 114211^2 + 36050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14343755021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14343755071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7171877510 + 7171877511.

It is an arithmetic number, because the mean of its divisors is an integer number (7171877511).

Almost surely, 2^14343755021 is an apocalyptic number.

It is an amenable number.

14343755021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14343755021 is an equidigital number, since it uses as much as digits as its factorization.

14343755021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 14343755021 in words is "fourteen billion, three hundred forty-three million, seven hundred fifty-five thousand, twenty-one".