14235438643 has 2 divisors, whose sum is σ = 14235438644. Its totient is φ = 14235438642.

The previous prime is 14235438619. The next prime is 14235438671. The reversal of 14235438643 is 34683453241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14235438643 - 2⁹ = 14235438131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14235438643.

It is not a weakly prime, because it can be changed into another prime (14235438683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7117719321 + 7117719322.

It is an arithmetic number, because the mean of its divisors is an integer number (7117719322).

Almost surely, 2^14235438643 is an apocalyptic number.

14235438643 is a deficient number, since it is larger than the sum of its proper divisors (1).

14235438643 is an equidigital number, since it uses as much as digits as its factorization.

14235438643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

The spelling of 14235438643 in words is "fourteen billion, two hundred thirty-five million, four hundred thirty-eight thousand, six hundred forty-three".