454189199 has 4 divisors (see below), whose sum is σ = 454674864. Its totient is φ = 453703536.

The previous prime is 454189163. The next prime is 454189207. The reversal of 454189199 is 991981454.

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 454189199 - 2¹² = 454185103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454189159) 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, 241427 + ... + 243300.

It is an arithmetic number, because the mean of its divisors is an integer number (113668716).

Almost surely, 2^454189199 is an apocalyptic number.

454189199 is a deficient number, since it is larger than the sum of its proper divisors (485665).

454189199 is an equidigital number, since it uses as much as digits as its factorization.

454189199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485664.

The product of its digits is 466560, while the sum is 50.

The square root of 454189199 is about 21311.7150647244. The cubic root of 454189199 is about 768.6800340493.

The spelling of 454189199 in words is "four hundred fifty-four million, one hundred eighty-nine thousand, one hundred ninety-nine".