481718209 has 8 divisors (see below), whose sum is σ = 555408000. Its totient is φ = 409246656.

The previous prime is 481718203. The next prime is 481718243. The reversal of 481718209 is 902817184.

It is a happy number.

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

It is not a de Polignac number, because 481718209 - 2¹³ = 481710017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481718203) 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, 303709 + ... + 305290.

It is an arithmetic number, because the mean of its divisors is an integer number (69426000).

Almost surely, 2^481718209 is an apocalyptic number.

It is an amenable number.

481718209 is a deficient number, since it is larger than the sum of its proper divisors (73689791).

481718209 is a wasteful number, since it uses less digits than its factorization.

481718209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609119.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 481718209 is about 21948.0798476769. The cubic root of 481718209 is about 783.9066602617.

The spelling of 481718209 in words is "four hundred eighty-one million, seven hundred eighteen thousand, two hundred nine".