2085289667 has 4 divisors (see below), whose sum is σ = 2114660016. Its totient is φ = 2055919320.

The previous prime is 2085289663. The next prime is 2085289673. The reversal of 2085289667 is 7669825802.

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 2085289667 - 2² = 2085289663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085289663) 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, 14685068 + ... + 14685209.

It is an arithmetic number, because the mean of its divisors is an integer number (528665004).

Almost surely, 2^2085289667 is an apocalyptic number.

2085289667 is a deficient number, since it is larger than the sum of its proper divisors (29370349).

2085289667 is an equidigital number, since it uses as much as digits as its factorization.

2085289667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370348.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 2085289667 is about 45664.9719916699. The cubic root of 2085289667 is about 1277.5820374373.

The spelling of 2085289667 in words is "two billion, eighty-five million, two hundred eighty-nine thousand, six hundred sixty-seven".