2086909835 has 4 divisors (see below), whose sum is σ = 2504291808. Its totient is φ = 1669527864.

The previous prime is 2086909829. The next prime is 2086909837. The reversal of 2086909835 is 5389096802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2086909835 - 2⁶ = 2086909771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086909837) 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 3 ways as a sum of consecutive naturals, for example, 208690979 + ... + 208690988.

It is an arithmetic number, because the mean of its divisors is an integer number (626072952).

Almost surely, 2^2086909835 is an apocalyptic number.

2086909835 is a deficient number, since it is larger than the sum of its proper divisors (417381973).

2086909835 is an equidigital number, since it uses as much as digits as its factorization.

2086909835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417381972.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2086909835 is about 45682.7082712923. The cubic root of 2086909835 is about 1277.9128246861.

The spelling of 2086909835 in words is "two billion, eighty-six million, nine hundred nine thousand, eight hundred thirty-five".