485418681 has 12 divisors (see below), whose sum is σ = 764902320. Its totient is φ = 294193080.

The previous prime is 485418673. The next prime is 485418737. The reversal of 485418681 is 186814584.

485418681 is a `hidden beast` number, since 48 + 541 + 8 + 68 + 1 = 666.

It is not a de Polignac number, because 485418681 - 2³ = 485418673 is a prime.

It is a super-2 number, since 2×485418681² = 471262591727559522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485418601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2451511 + ... + 2451708.

It is an arithmetic number, because the mean of its divisors is an integer number (63741860).

Almost surely, 2^485418681 is an apocalyptic number.

It is an amenable number.

485418681 is a deficient number, since it is larger than the sum of its proper divisors (279483639).

485418681 is a wasteful number, since it uses less digits than its factorization.

485418681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903236 (or 4903233 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 485418681 is about 22032.2191574067. The cubic root of 485418681 is about 785.9088185508.

The spelling of 485418681 in words is "four hundred eighty-five million, four hundred eighteen thousand, six hundred eighty-one".