14452221517 has 2 divisors, whose sum is σ = 14452221518. Its totient is φ = 14452221516.

The previous prime is 14452221491. The next prime is 14452221547. The reversal of 14452221517 is 71512225441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14281684036 + 170537481 = 119506^2 + 13059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14452221517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14452221547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7226110758 + 7226110759.

It is an arithmetic number, because the mean of its divisors is an integer number (7226110759).

Almost surely, 2^14452221517 is an apocalyptic number.

It is an amenable number.

14452221517 is a deficient number, since it is larger than the sum of its proper divisors (1).

14452221517 is an equidigital number, since it uses as much as digits as its factorization.

14452221517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

Adding to 14452221517 its reverse (71512225441), we get a palindrome (85964446958).

The spelling of 14452221517 in words is "fourteen billion, four hundred fifty-two million, two hundred twenty-one thousand, five hundred seventeen".