2118764589 has 4 divisors (see below), whose sum is σ = 2825019456. Its totient is φ = 1412509724.

The previous prime is 2118764579. The next prime is 2118764597. The reversal of 2118764589 is 9854678112.

2118764589 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2118764589 - 2⁴ = 2118764573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118764579) 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, 353127429 + ... + 353127434.

It is an arithmetic number, because the mean of its divisors is an integer number (706254864).

Almost surely, 2^2118764589 is an apocalyptic number.

It is an amenable number.

2118764589 is a deficient number, since it is larger than the sum of its proper divisors (706254867).

2118764589 is an equidigital number, since it uses as much as digits as its factorization.

2118764589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706254866.

The product of its digits is 967680, while the sum is 51.

The square root of 2118764589 is about 46030.0400716749. The cubic root of 2118764589 is about 1284.3820733634.

The spelling of 2118764589 in words is "two billion, one hundred eighteen million, seven hundred sixty-four thousand, five hundred eighty-nine".