450355369 has 2 divisors, whose sum is σ = 450355370. Its totient is φ = 450355368.

The previous prime is 450355303. The next prime is 450355393. The reversal of 450355369 is 963553054.

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., 264387600 + 185967769 = 16260^2 + 13637^2 .

It is a cyclic number.

It is not a de Polignac number, because 450355369 - 2¹⁵ = 450322601 is a prime.

It is a super-2 number, since 2×450355369² = 405639916774252322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450353369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225177684 + 225177685.

It is an arithmetic number, because the mean of its divisors is an integer number (225177685).

Almost surely, 2^450355369 is an apocalyptic number.

It is an amenable number.

450355369 is a deficient number, since it is larger than the sum of its proper divisors (1).

450355369 is an equidigital number, since it uses as much as digits as its factorization.

450355369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 450355369 is about 21221.5779102309. The cubic root of 450355369 is about 766.5110997735.

The spelling of 450355369 in words is "four hundred fifty million, three hundred fifty-five thousand, three hundred sixty-nine".