451704489 has 8 divisors (see below), whose sum is σ = 602452800. Its totient is φ = 301046256.

The previous prime is 451704479. The next prime is 451704497. The reversal of 451704489 is 984407154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451704489 - 2⁷ = 451704361 is a prime.

It is a super-2 number, since 2×451704489² = 408073890765502242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451704489.

It is not an unprimeable number, because it can be changed into a prime (451704479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9789 + ... + 31610.

It is an arithmetic number, because the mean of its divisors is an integer number (75306600).

Almost surely, 2^451704489 is an apocalyptic number.

It is an amenable number.

451704489 is a deficient number, since it is larger than the sum of its proper divisors (150748311).

451704489 is a wasteful number, since it uses less digits than its factorization.

451704489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45039.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 451704489 is about 21253.3406550594. The cubic root of 451704489 is about 767.2757437379.

The spelling of 451704489 in words is "four hundred fifty-one million, seven hundred four thousand, four hundred eighty-nine".