450414869 has 2 divisors, whose sum is σ = 450414870. Its totient is φ = 450414868.

The previous prime is 450414851. The next prime is 450414883. The reversal of 450414869 is 968414054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303108100 + 147306769 = 17410^2 + 12137^2 .

It is a cyclic number.

It is not a de Polignac number, because 450414869 - 2¹² = 450410773 is a prime.

It is a super-2 number, since 2×450414869² = 405747108432574322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450414169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225207434 + 225207435.

It is an arithmetic number, because the mean of its divisors is an integer number (225207435).

Almost surely, 2^450414869 is an apocalyptic number.

It is an amenable number.

450414869 is a deficient number, since it is larger than the sum of its proper divisors (1).

450414869 is an equidigital number, since it uses as much as digits as its factorization.

450414869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 450414869 is about 21222.9797389528. The cubic root of 450414869 is about 766.5448548961.

The spelling of 450414869 in words is "four hundred fifty million, four hundred fourteen thousand, eight hundred sixty-nine".