481433809 has 4 divisors (see below), whose sum is σ = 481719204. Its totient is φ = 481148416.

The previous prime is 481433801. The next prime is 481433833. The reversal of 481433809 is 908334184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344473600 + 136960209 = 18560^2 + 11703^2 .

It is a cyclic number.

It is not a de Polignac number, because 481433809 - 2³ = 481433801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481433801) 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, 140152 + ... + 143545.

It is an arithmetic number, because the mean of its divisors is an integer number (120429801).

Almost surely, 2^481433809 is an apocalyptic number.

It is an amenable number.

481433809 is a deficient number, since it is larger than the sum of its proper divisors (285395).

481433809 is a wasteful number, since it uses less digits than its factorization.

481433809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285394.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 481433809 is about 21941.5999644511. The cubic root of 481433809 is about 783.7523605497.

The spelling of 481433809 in words is "four hundred eighty-one million, four hundred thirty-three thousand, eight hundred nine".