2085909711 has 8 divisors (see below), whose sum is σ = 2833688880. Its totient is φ = 1364368512.

The previous prime is 2085909697. The next prime is 2085909731. The reversal of 2085909711 is 1179095802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2085909711 - 2²² = 2081715407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085909731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6559306 + ... + 6559623.

It is an arithmetic number, because the mean of its divisors is an integer number (354211110).

Almost surely, 2^2085909711 is an apocalyptic number.

2085909711 is a deficient number, since it is larger than the sum of its proper divisors (747779169).

2085909711 is a wasteful number, since it uses less digits than its factorization.

2085909711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13118985.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 2085909711 is about 45671.7605419366. The cubic root of 2085909711 is about 1277.7086511141.

The spelling of 2085909711 in words is "two billion, eighty-five million, nine hundred nine thousand, seven hundred eleven".