450636665226101 has 2 divisors, whose sum is σ = 450636665226102. Its totient is φ = 450636665226100.

The previous prime is 450636665226091. The next prime is 450636665226131. The reversal of 450636665226101 is 101622566636054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270921888687025 + 179714776539076 = 16459705^2 + 13405774^2 .

It is a cyclic number.

It is not a de Polignac number, because 450636665226101 - 2¹⁰ = 450636665225077 is a prime.

It is a super-2 number, since 2×450636665226101² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450636665226131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225318332613050 + 225318332613051.

It is an arithmetic number, because the mean of its divisors is an integer number (225318332613051).

Almost surely, 2^{450636665226101} is an apocalyptic number.

It is an amenable number.

450636665226101 is a deficient number, since it is larger than the sum of its proper divisors (1).

450636665226101 is an equidigital number, since it uses as much as digits as its factorization.

450636665226101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 450636665226101 in words is "four hundred fifty trillion, six hundred thirty-six billion, six hundred sixty-five million, two hundred twenty-six thousand, one hundred one".