450636665226193 has 2 divisors, whose sum is σ = 450636665226194. Its totient is φ = 450636665226192.

The previous prime is 450636665226131. The next prime is 450636665226217. The reversal of 450636665226193 is 391622566636054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306751650262929 + 143885014963264 = 17514327^2 + 11995208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450636665226193 is a prime.

It is not a weakly prime, because it can be changed into another prime (450636665206193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225318332613096 + 225318332613097.

It is an arithmetic number, because the mean of its divisors is an integer number (225318332613097).

Almost surely, 2^{450636665226193} is an apocalyptic number.

It is an amenable number.

450636665226193 is a deficient number, since it is larger than the sum of its proper divisors (1).

450636665226193 is an equidigital number, since it uses as much as digits as its factorization.

450636665226193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 64.

The spelling of 450636665226193 in words is "four hundred fifty trillion, six hundred thirty-six billion, six hundred sixty-five million, two hundred twenty-six thousand, one hundred ninety-three".