2081614689 has 24 divisors (see below), whose sum is σ = 3748709952. Its totient is φ = 1081357920.

The previous prime is 2081614643. The next prime is 2081614721. The reversal of 2081614689 is 9864161802.

2081614689 is a `hidden beast` number, since 20 + 8 + 1 + 614 + 6 + 8 + 9 = 666.

2081614689 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2081614689 - 2⁹ = 2081614177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081614489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1501194 + ... + 1502579.

It is an arithmetic number, because the mean of its divisors is an integer number (156196248).

Almost surely, 2^2081614689 is an apocalyptic number.

It is an amenable number.

2081614689 is a deficient number, since it is larger than the sum of its proper divisors (1667095263).

2081614689 is a wasteful number, since it uses less digits than its factorization.

2081614689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003797 (or 3003794 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2081614689 is about 45624.7157689777. The cubic root of 2081614689 is about 1276.8310871396.

The spelling of 2081614689 in words is "two billion, eighty-one million, six hundred fourteen thousand, six hundred eighty-nine".