16434054225517 has 2 divisors, whose sum is σ = 16434054225518. Its totient is φ = 16434054225516.

The previous prime is 16434054225461. The next prime is 16434054225557. The reversal of 16434054225517 is 71552245043461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10153361636356 + 6280692589161 = 3186434^2 + 2506131^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434054225517 - 2²³ = 16434045836909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434054225557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217027112758 + 8217027112759.

It is an arithmetic number, because the mean of its divisors is an integer number (8217027112759).

Almost surely, 2^{16434054225517} is an apocalyptic number.

It is an amenable number.

16434054225517 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434054225517 is an equidigital number, since it uses as much as digits as its factorization.

16434054225517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 49.

Adding to 16434054225517 its reverse (71552245043461), we get a palindrome (87986299268978).

The spelling of 16434054225517 in words is "sixteen trillion, four hundred thirty-four billion, fifty-four million, two hundred twenty-five thousand, five hundred seventeen".