2126589308090 has 16 divisors (see below), whose sum is σ = 4122311582088. Its totient is φ = 785202206016.

The previous prime is 2126589308057. The next prime is 2126589308119. The reversal of 2126589308090 is 908039856212.

It is a Cunningham number, because it is equal to 1458283²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 765570750961 + 1361018557129 = 874969^2 + 1166627^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8179189517 + ... + 8179189776.

Almost surely, 2^{2126589308090} is an apocalyptic number.

2126589308090 is a deficient number, since it is larger than the sum of its proper divisors (1995722273998).

2126589308090 is a wasteful number, since it uses less digits than its factorization.

2126589308090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358379313.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 2126589308090 in words is "two trillion, one hundred twenty-six billion, five hundred eighty-nine million, three hundred eight thousand, ninety".