14423777786939 has 2 divisors, whose sum is σ = 14423777786940. Its totient is φ = 14423777786938.

The previous prime is 14423777786879. The next prime is 14423777786987. The reversal of 14423777786939 is 93968777732441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14423777786939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14423777786939.

It is not a weakly prime, because it can be changed into another prime (14423777786039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211888893469 + 7211888893470.

It is an arithmetic number, because the mean of its divisors is an integer number (7211888893470).

Almost surely, 2^{14423777786939} is an apocalyptic number.

14423777786939 is a deficient number, since it is larger than the sum of its proper divisors (1).

14423777786939 is an equidigital number, since it uses as much as digits as its factorization.

14423777786939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688505344, while the sum is 77.

The spelling of 14423777786939 in words is "fourteen trillion, four hundred twenty-three billion, seven hundred seventy-seven million, seven hundred eighty-six thousand, nine hundred thirty-nine".