485456382009 has 27 divisors (see below), whose sum is σ = 720793565037. Its totient is φ = 314840460384.

The previous prime is 485456381999. The next prime is 485456382049. The reversal of 485456382009 is 900283654584.

The square root of 485456382009 is 696747.

It is a perfect power (a square), and thus also a powerful number.

485456382009 is a `hidden beast` number, since 4 + 8 + 54 + 563 + 8 + 20 + 0 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 381179055609 + 104277326400 = 617397^2 + 322920^2 .

It is not a de Polignac number, because 485456382009 - 2⁹ = 485456381497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485456382049) 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 26 ways as a sum of consecutive naturals, for example, 77335779 + ... + 77342055.

Almost surely, 2^485456382009 is an apocalyptic number.

485456382009 is the 696747-th square number.

485456382009 is the 348374-th centered octagonal number.

It is an amenable number.

485456382009 is a deficient number, since it is larger than the sum of its proper divisors (235337183028).

485456382009 is an frugal number, since it uses more digits than its factorization.

485456382009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634 (or 6317 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 485456382009 in words is "four hundred eighty-five billion, four hundred fifty-six million, three hundred eighty-two thousand, nine".