14665139623 has 2 divisors, whose sum is σ = 14665139624. Its totient is φ = 14665139622.

The previous prime is 14665139617. The next prime is 14665139633. The reversal of 14665139623 is 32693156641.

14665139623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14665139623 - 2²⁵ = 14631585191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14665139633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7332569811 + 7332569812.

It is an arithmetic number, because the mean of its divisors is an integer number (7332569812).

Almost surely, 2^14665139623 is an apocalyptic number.

14665139623 is a deficient number, since it is larger than the sum of its proper divisors (1).

14665139623 is an equidigital number, since it uses as much as digits as its factorization.

14665139623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The spelling of 14665139623 in words is "fourteen billion, six hundred sixty-five million, one hundred thirty-nine thousand, six hundred twenty-three".