2089016687 has 4 divisors (see below), whose sum is σ = 2095037256. Its totient is φ = 2082996120.

The previous prime is 2089016681. The next prime is 2089016701. The reversal of 2089016687 is 7866109802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089016687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089016681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3009764 + ... + 3010457.

It is an arithmetic number, because the mean of its divisors is an integer number (523759314).

Almost surely, 2^2089016687 is an apocalyptic number.

2089016687 is a deficient number, since it is larger than the sum of its proper divisors (6020569).

2089016687 is an equidigital number, since it uses as much as digits as its factorization.

2089016687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020568.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 2089016687 is about 45705.7620765697. The cubic root of 2089016687 is about 1278.3427214997.

The spelling of 2089016687 in words is "two billion, eighty-nine million, sixteen thousand, six hundred eighty-seven".