2085565039 has 16 divisors (see below), whose sum is σ = 2216160000. Its totient is φ = 1957132800.

The previous prime is 2085565037. The next prime is 2085565057. The reversal of 2085565039 is 9305655802.

It is a cyclic number.

It is not a de Polignac number, because 2085565039 - 2¹ = 2085565037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2085564986 and 2085565004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085565037) 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 15 ways as a sum of consecutive naturals, for example, 1287372 + ... + 1288990.

It is an arithmetic number, because the mean of its divisors is an integer number (138510000).

Almost surely, 2^2085565039 is an apocalyptic number.

2085565039 is a deficient number, since it is larger than the sum of its proper divisors (130594961).

2085565039 is a wasteful number, since it uses less digits than its factorization.

2085565039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 2085565039 is about 45667.9870259244. The cubic root of 2085565039 is about 1277.6382718047.

The spelling of 2085565039 in words is "two billion, eighty-five million, five hundred sixty-five thousand, thirty-nine".