2085909712 has 20 divisors (see below), whose sum is σ = 4045829220. Its totient is φ = 1041824768.

The previous prime is 2085909697. The next prime is 2085909731. The reversal of 2085909712 is 2179095802.

It can be written as a sum of positive squares in 2 ways, for example, as 85673536 + 2000236176 = 9256^2 + 44724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55303 + ... + 85030.

It is an arithmetic number, because the mean of its divisors is an integer number (202291461).

Almost surely, 2^2085909712 is an apocalyptic number.

It is an amenable number.

2085909712 is a deficient number, since it is larger than the sum of its proper divisors (1959919508).

2085909712 is a wasteful number, since it uses less digits than its factorization.

2085909712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141270 (or 141264 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2085909712 is about 45671.7605528843. The cubic root of 2085909712 is about 1277.7086513183.

The spelling of 2085909712 in words is "two billion, eighty-five million, nine hundred nine thousand, seven hundred twelve".