450202369 has 2 divisors, whose sum is σ = 450202370. Its totient is φ = 450202368.

The previous prime is 450202339. The next prime is 450202451. The reversal of 450202369 is 963202054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436601025 + 13601344 = 20895^2 + 3688^2 .

It is a cyclic number.

It is not a de Polignac number, because 450202369 - 2²⁵ = 416647937 is a prime.

It is a super-2 number, since 2×450202369² = 405364346106424322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450202369.

It is not a weakly prime, because it can be changed into another prime (450202309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225101184 + 225101185.

It is an arithmetic number, because the mean of its divisors is an integer number (225101185).

Almost surely, 2^450202369 is an apocalyptic number.

It is an amenable number.

450202369 is a deficient number, since it is larger than the sum of its proper divisors (1).

450202369 is an equidigital number, since it uses as much as digits as its factorization.

450202369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 450202369 is about 21217.9727825257. The cubic root of 450202369 is about 766.4242872327.

The spelling of 450202369 in words is "four hundred fifty million, two hundred two thousand, three hundred sixty-nine".