485206569 has 24 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 311686368.

The previous prime is 485206549. The next prime is 485206583. The reversal of 485206569 is 965602584.

485206569 is a `hidden beast` number, since 4 + 8 + 520 + 65 + 69 = 666.

It is not a de Polignac number, because 485206569 - 2⁷ = 485206441 is a prime.

It is a super-2 number, since 2×485206569² = 470850829201503522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485206549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151624 + ... + 154790.

It is an arithmetic number, because the mean of its divisors is an integer number (30270240).

Almost surely, 2^485206569 is an apocalyptic number.

It is an amenable number.

485206569 is a deficient number, since it is larger than the sum of its proper divisors (241279191).

485206569 is a wasteful number, since it uses less digits than its factorization.

485206569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 485206569 is about 22027.4049538297. The cubic root of 485206569 is about 785.7943297705.

The spelling of 485206569 in words is "four hundred eighty-five million, two hundred six thousand, five hundred sixty-nine".