450244444340101 has 2 divisors, whose sum is σ = 450244444340102. Its totient is φ = 450244444340100.

The previous prime is 450244444340099. The next prime is 450244444340129. The reversal of 450244444340101 is 101043444442054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410276772984100 + 39967671356001 = 20255290^2 + 6321999^2 .

It is a cyclic number.

It is not a de Polignac number, because 450244444340101 - 2¹ = 450244444340099 is a prime.

Together with 450244444340099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450244444340161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225122222170050 + 225122222170051.

It is an arithmetic number, because the mean of its divisors is an integer number (225122222170051).

Almost surely, 2^{450244444340101} is an apocalyptic number.

It is an amenable number.

450244444340101 is a deficient number, since it is larger than the sum of its proper divisors (1).

450244444340101 is an equidigital number, since it uses as much as digits as its factorization.

450244444340101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 450244444340101 its reverse (101043444442054), we get a palindrome (551287888782155).

The spelling of 450244444340101 in words is "four hundred fifty trillion, two hundred forty-four billion, four hundred forty-four million, three hundred forty thousand, one hundred one".