17268453484661 has 2 divisors, whose sum is σ = 17268453484662. Its totient is φ = 17268453484660.

The previous prime is 17268453484643. The next prime is 17268453484747. The reversal of 17268453484661 is 16648435486271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17268130384036 + 323100625 = 4155494^2 + 17975^2 .

It is an emirp because it is prime and its reverse (16648435486271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17268453484661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17268453484621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8634226742330 + 8634226742331.

It is an arithmetic number, because the mean of its divisors is an integer number (8634226742331).

Almost surely, 2^{17268453484661} is an apocalyptic number.

It is an amenable number.

17268453484661 is a deficient number, since it is larger than the sum of its proper divisors (1).

17268453484661 is an equidigital number, since it uses as much as digits as its factorization.

17268453484661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185794560, while the sum is 65.

The spelling of 17268453484661 in words is "seventeen trillion, two hundred sixty-eight billion, four hundred fifty-three million, four hundred eighty-four thousand, six hundred sixty-one".