455889449 has 4 divisors (see below), whose sum is σ = 456107520. Its totient is φ = 455671380.

The previous prime is 455889437. The next prime is 455889451. The reversal of 455889449 is 944988554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455889449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455889394 and 455889403.

It is not an unprimeable number, because it can be changed into a prime (455889349) 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, 105869 + ... + 110090.

It is an arithmetic number, because the mean of its divisors is an integer number (114026880).

Almost surely, 2^455889449 is an apocalyptic number.

It is an amenable number.

455889449 is a deficient number, since it is larger than the sum of its proper divisors (218071).

455889449 is a wasteful number, since it uses less digits than its factorization.

455889449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218070.

The product of its digits is 8294400, while the sum is 56.

The square root of 455889449 is about 21351.5678347048. The cubic root of 455889449 is about 769.6380201099.

The spelling of 455889449 in words is "four hundred fifty-five million, eight hundred eighty-nine thousand, four hundred forty-nine".