450647459 has 2 divisors, whose sum is σ = 450647460. Its totient is φ = 450647458.

The previous prime is 450647419. The next prime is 450647471. The reversal of 450647459 is 954746054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450647459 is a prime.

It is not a weakly prime, because it can be changed into another prime (450647419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225323729 + 225323730.

It is an arithmetic number, because the mean of its divisors is an integer number (225323730).

Almost surely, 2^450647459 is an apocalyptic number.

450647459 is a deficient number, since it is larger than the sum of its proper divisors (1).

450647459 is an equidigital number, since it uses as much as digits as its factorization.

450647459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 450647459 is about 21228.4587052381. The cubic root of 450647459 is about 766.6767777074.

The spelling of 450647459 in words is "four hundred fifty million, six hundred forty-seven thousand, four hundred fifty-nine".