485647569 has 40 divisors (see below), whose sum is σ = 808334208. Its totient is φ = 288044640.

The previous prime is 485647567. The next prime is 485647577. The reversal of 485647569 is 965746584.

485647569 is a `hidden beast` number, since 4 + 8 + 564 + 75 + 6 + 9 = 666.

It is not a de Polignac number, because 485647569 - 2¹ = 485647567 is a prime.

It is a super-2 number, since 2×485647569² = 471707122551219522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485647567) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36079 + ... + 47675.

Almost surely, 2^485647569 is an apocalyptic number.

It is an amenable number.

485647569 is a deficient number, since it is larger than the sum of its proper divisors (322686639).

485647569 is a wasteful number, since it uses less digits than its factorization.

485647569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11667 (or 11658 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 485647569 is about 22037.4129380016. The cubic root of 485647569 is about 786.0323248754.

It can be divided in two parts, 4856 and 47569, that added together give a palindrome (52425).

The spelling of 485647569 in words is "four hundred eighty-five million, six hundred forty-seven thousand, five hundred sixty-nine".