39485608209 has 12 divisors (see below), whose sum is σ = 57095649156. Its totient is φ = 26295639552.

The previous prime is 39485608153. The next prime is 39485608219. The reversal of 39485608209 is 90280658493.

39485608209 is a `hidden beast` number, since 3 + 9 + 4 + 8 + 5 + 608 + 20 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14185524609 + 25300083600 = 119103^2 + 159060^2 .

It is not a de Polignac number, because 39485608209 - 2¹⁷ = 39485477137 is a prime.

It is a super-2 number, since 2×39485608209² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39485608219) 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 11 ways as a sum of consecutive naturals, for example, 2332704 + ... + 2349569.

It is an arithmetic number, because the mean of its divisors is an integer number (4757970763).

Almost surely, 2^39485608209 is an apocalyptic number.

It is an amenable number.

39485608209 is a deficient number, since it is larger than the sum of its proper divisors (17610040947).

39485608209 is a wasteful number, since it uses less digits than its factorization.

39485608209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683216 (or 4683213 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 39485608209 in words is "thirty-nine billion, four hundred eighty-five million, six hundred eight thousand, two hundred nine".