450641643 has 16 divisors (see below), whose sum is σ = 627290400. Its totient is φ = 287400960.

The previous prime is 450641641. The next prime is 450641647. The reversal of 450641643 is 346146054.

It is not a de Polignac number, because 450641643 - 2¹ = 450641641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450641641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14278 + ... + 33243.

It is an arithmetic number, because the mean of its divisors is an integer number (39205650).

Almost surely, 2^450641643 is an apocalyptic number.

450641643 is a deficient number, since it is larger than the sum of its proper divisors (176648757).

450641643 is a wasteful number, since it uses less digits than its factorization.

450641643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47662.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 450641643 is about 21228.3217188736. The cubic root of 450641643 is about 766.6734794816.

Adding to 450641643 its reverse (346146054), we get a palindrome (796787697).

The spelling of 450641643 in words is "four hundred fifty million, six hundred forty-one thousand, six hundred forty-three".