14404434217 has 2 divisors, whose sum is σ = 14404434218. Its totient is φ = 14404434216.

The previous prime is 14404434193. The next prime is 14404434229. The reversal of 14404434217 is 71243440441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12193459776 + 2210974441 = 110424^2 + 47021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14404434217 is a prime.

It is a super-2 number, since 2×14404434217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14404434277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202217108 + 7202217109.

It is an arithmetic number, because the mean of its divisors is an integer number (7202217109).

Almost surely, 2^14404434217 is an apocalyptic number.

It is an amenable number.

14404434217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14404434217 is an equidigital number, since it uses as much as digits as its factorization.

14404434217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

Adding to 14404434217 its reverse (71243440441), we get a palindrome (85647874658).

The spelling of 14404434217 in words is "fourteen billion, four hundred four million, four hundred thirty-four thousand, two hundred seventeen".