452448605449 has 3 divisors (see below), whose sum is σ = 452449278093. Its totient is φ = 452447932806.

The previous prime is 452448605383. The next prime is 452448605459. The reversal of 452448605449 is 944506844254.

The square root of 452448605449 is 672643.

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 452448605449 - 2⁷ = 452448605321 is a prime.

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 452448605449.

It is not an unprimeable number, because it can be changed into a prime (452448605459) 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, 336322 + ... + 1008964.

It is an arithmetic number, because the mean of its divisors is an integer number (150816426031).

Almost surely, 2^452448605449 is an apocalyptic number.

452448605449 is the 672643-rd square number.

452448605449 is the 336322-nd centered octagonal number.

It is an amenable number.

452448605449 is a deficient number, since it is larger than the sum of its proper divisors (672644).

452448605449 is an frugal number, since it uses more digits than its factorization.

452448605449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345286 (or 672643 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 55.

The spelling of 452448605449 in words is "four hundred fifty-two billion, four hundred forty-eight million, six hundred five thousand, four hundred forty-nine".