454441819129 has 3 divisors (see below), whose sum is σ = 454442493253. Its totient is φ = 454441145006.

The previous prime is 454441819061. The next prime is 454441819163. The reversal of 454441819129 is 921918144454.

The square root of 454441819129 is 674123.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 454441819129 - 2⁷ = 454441819001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454441810129) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 337062 + ... + 1011184.

Almost surely, 2^454441819129 is an apocalyptic number.

454441819129 is the 674123-rd square number.

454441819129 is the 337062-nd centered octagonal number.

It is an amenable number.

454441819129 is a deficient number, since it is larger than the sum of its proper divisors (674124).

454441819129 is an frugal number, since it uses more digits than its factorization.

454441819129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348246 (or 674123 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The spelling of 454441819129 in words is "four hundred fifty-four billion, four hundred forty-one million, eight hundred nineteen thousand, one hundred twenty-nine".