14245440217 has 2 divisors, whose sum is σ = 14245440218. Its totient is φ = 14245440216.

The previous prime is 14245440197. The next prime is 14245440269. The reversal of 14245440217 is 71204454241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8575500816 + 5669939401 = 92604^2 + 75299^2 .

It is a cyclic number.

It is not a de Polignac number, because 14245440217 - 2⁷ = 14245440089 is a prime.

It is a super-2 number, since 2×14245440217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14245440617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7122720108 + 7122720109.

It is an arithmetic number, because the mean of its divisors is an integer number (7122720109).

Almost surely, 2^14245440217 is an apocalyptic number.

It is an amenable number.

14245440217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14245440217 is an equidigital number, since it uses as much as digits as its factorization.

14245440217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 14245440217 its reverse (71204454241), we get a palindrome (85449894458).

The spelling of 14245440217 in words is "fourteen billion, two hundred forty-five million, four hundred forty thousand, two hundred seventeen".