2085965939 has 16 divisors (see below), whose sum is σ = 2215440000. Its totient is φ = 1963981512.

The previous prime is 2085965923. The next prime is 2085965957. The reversal of 2085965939 is 9395695802.

It is not a de Polignac number, because 2085965939 - 2⁴ = 2085965923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085965039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226912 + ... + 1228610.

It is an arithmetic number, because the mean of its divisors is an integer number (138465000).

Almost surely, 2^2085965939 is an apocalyptic number.

2085965939 is a deficient number, since it is larger than the sum of its proper divisors (129474061).

2085965939 is an equidigital number, since it uses as much as digits as its factorization.

2085965939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 56.

The square root of 2085965939 is about 45672.3761041617. The cubic root of 2085965939 is about 1277.7201316936.

The spelling of 2085965939 in words is "two billion, eighty-five million, nine hundred sixty-five thousand, nine hundred thirty-nine".