14121657443 has 2 divisors, whose sum is σ = 14121657444. Its totient is φ = 14121657442.

The previous prime is 14121657437. The next prime is 14121657521. The reversal of 14121657443 is 34475612141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14121657443 - 2³² = 9826690147 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 14121657397 and 14121657406.

It is not a weakly prime, because it can be changed into another prime (14121650443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060828721 + 7060828722.

It is an arithmetic number, because the mean of its divisors is an integer number (7060828722).

Almost surely, 2^14121657443 is an apocalyptic number.

14121657443 is a deficient number, since it is larger than the sum of its proper divisors (1).

14121657443 is an equidigital number, since it uses as much as digits as its factorization.

14121657443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The spelling of 14121657443 in words is "fourteen billion, one hundred twenty-one million, six hundred fifty-seven thousand, four hundred forty-three".