2126589308089 has 3 divisors (see below), whose sum is σ = 2126590766373. Its totient is φ = 2126587849806.

The previous prime is 2126589308057. The next prime is 2126589308119. The reversal of 2126589308089 is 9808039856212.

The square root of 2126589308089 is 1458283.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2126589308089 - 2⁵ = 2126589308057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126389308089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 729142 + ... + 2187424.

It is an arithmetic number, because the mean of its divisors is an integer number (708863588791).

Almost surely, 2^{2126589308089} is an apocalyptic number.

2126589308089 is the 1458283-rd square number.

2126589308089 is the 729142-nd centered octagonal number.

It is an amenable number.

2126589308089 is a deficient number, since it is larger than the sum of its proper divisors (1458284).

2126589308089 is an frugal number, since it uses more digits than its factorization.

2126589308089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916566 (or 1458283 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 2126589308089 in words is "two trillion, one hundred twenty-six billion, five hundred eighty-nine million, three hundred eight thousand, eighty-nine".