450857369 has 2 divisors, whose sum is σ = 450857370. Its totient is φ = 450857368.

The previous prime is 450857359. The next prime is 450857377. The reversal of 450857369 is 963758054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399520144 + 51337225 = 19988^2 + 7165^2 .

It is a cyclic number.

It is not a de Polignac number, because 450857369 - 2²⁸ = 182421913 is a prime.

It is a super-2 number, since 2×450857369² = 406544734363204322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450857359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225428684 + 225428685.

It is an arithmetic number, because the mean of its divisors is an integer number (225428685).

Almost surely, 2^450857369 is an apocalyptic number.

It is an amenable number.

450857369 is a deficient number, since it is larger than the sum of its proper divisors (1).

450857369 is an equidigital number, since it uses as much as digits as its factorization.

450857369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 450857369 is about 21233.4022003069. The cubic root of 450857369 is about 766.7957976777.

The spelling of 450857369 in words is "four hundred fifty million, eight hundred fifty-seven thousand, three hundred sixty-nine".