450954899 has 4 divisors (see below), whose sum is σ = 459463536. Its totient is φ = 442446264.

The previous prime is 450954893. The next prime is 450954929. The reversal of 450954899 is 998459054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450954899 - 2²⁸ = 182519443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 8508583 = 450954899 / (4 + 5 + 0 + 9 + 5 + 4 + 8 + 9 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450954899.

It is not an unprimeable number, because it can be changed into a prime (450954893) 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 3 ways as a sum of consecutive naturals, for example, 4254239 + ... + 4254344.

It is an arithmetic number, because the mean of its divisors is an integer number (114865884).

Almost surely, 2^450954899 is an apocalyptic number.

450954899 is a deficient number, since it is larger than the sum of its proper divisors (8508637).

450954899 is an equidigital number, since it uses as much as digits as its factorization.

450954899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508636.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 450954899 is about 21235.6986934737. The cubic root of 450954899 is about 766.8510850830.

It can be divided in two parts, 45095 and 4899, that added together give a palindrome (49994).

The spelling of 450954899 in words is "four hundred fifty million, nine hundred fifty-four thousand, eight hundred ninety-nine".