450204689 has 8 divisors (see below), whose sum is σ = 491404320. Its totient is φ = 409050400.

The previous prime is 450204683. The next prime is 450204707. The reversal of 450204689 is 986402054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450204689 - 2⁴ = 450204673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450204683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11429 + ... + 32109.

It is an arithmetic number, because the mean of its divisors is an integer number (61425540).

Almost surely, 2^450204689 is an apocalyptic number.

It is an amenable number.

450204689 is a deficient number, since it is larger than the sum of its proper divisors (41199631).

450204689 is a wasteful number, since it uses less digits than its factorization.

450204689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22671.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 450204689 is about 21218.0274530881. The cubic root of 450204689 is about 766.4256037527.

The spelling of 450204689 in words is "four hundred fifty million, two hundred four thousand, six hundred eighty-nine".