14395943669 has 2 divisors, whose sum is σ = 14395943670. Its totient is φ = 14395943668.

The previous prime is 14395943659. The next prime is 14395943717. The reversal of 14395943669 is 96634959341.

It is a happy number.

14395943669 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 can be written as a sum of positive squares in only one way, i.e., 13118953444 + 1276990225 = 114538^2 + 35735^2 .

It is a cyclic number.

It is not a de Polignac number, because 14395943669 - 2¹² = 14395939573 is a prime.

It is a super-2 number, since 2×14395943669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14395943659) 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, 7197971834 + 7197971835.

It is an arithmetic number, because the mean of its divisors is an integer number (7197971835).

Almost surely, 2^14395943669 is an apocalyptic number.

It is an amenable number.

14395943669 is a deficient number, since it is larger than the sum of its proper divisors (1).

14395943669 is an equidigital number, since it uses as much as digits as its factorization.

14395943669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18895680, while the sum is 59.

The spelling of 14395943669 in words is "fourteen billion, three hundred ninety-five million, nine hundred forty-three thousand, six hundred sixty-nine".