450352267649 has 2 divisors, whose sum is σ = 450352267650. Its totient is φ = 450352267648.

The previous prime is 450352267601. The next prime is 450352267667. The reversal of 450352267649 is 946762253054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300997071424 + 149355196225 = 548632^2 + 386465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450352267649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450352267649.

It is not a weakly prime, because it can be changed into another prime (450352266649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225176133824 + 225176133825.

It is an arithmetic number, because the mean of its divisors is an integer number (225176133825).

Almost surely, 2^450352267649 is an apocalyptic number.

It is an amenable number.

450352267649 is a deficient number, since it is larger than the sum of its proper divisors (1).

450352267649 is an equidigital number, since it uses as much as digits as its factorization.

450352267649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 450352267649 in words is "four hundred fifty billion, three hundred fifty-two million, two hundred sixty-seven thousand, six hundred forty-nine".