14066815447 has 2 divisors, whose sum is σ = 14066815448. Its totient is φ = 14066815446.

The previous prime is 14066815421. The next prime is 14066815493. The reversal of 14066815447 is 74451866041.

It is an a-pointer prime, because the next prime (14066815493) can be obtained adding 14066815447 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14066815447 - 2³¹ = 11919331799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14066815397 and 14066815406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14066815417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7033407723 + 7033407724.

It is an arithmetic number, because the mean of its divisors is an integer number (7033407724).

Almost surely, 2^14066815447 is an apocalyptic number.

14066815447 is a deficient number, since it is larger than the sum of its proper divisors (1).

14066815447 is an equidigital number, since it uses as much as digits as its factorization.

14066815447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 14066815447 in words is "fourteen billion, sixty-six million, eight hundred fifteen thousand, four hundred forty-seven".