2126636227 has 4 divisors (see below), whose sum is σ = 2130414120. Its totient is φ = 2122858336.

The previous prime is 2126636203. The next prime is 2126636231. The reversal of 2126636227 is 7226366212.

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

It is a cyclic number.

It is not a de Polignac number, because 2126636227 - 2¹¹ = 2126634179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126636527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888102 + ... + 1889227.

It is an arithmetic number, because the mean of its divisors is an integer number (532603530).

Almost surely, 2^2126636227 is an apocalyptic number.

2126636227 is a deficient number, since it is larger than the sum of its proper divisors (3777893).

2126636227 is an equidigital number, since it uses as much as digits as its factorization.

2126636227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777892.

The product of its digits is 72576, while the sum is 37.

The square root of 2126636227 is about 46115.4662450679. The cubic root of 2126636227 is about 1285.9706871716.

The spelling of 2126636227 in words is "two billion, one hundred twenty-six million, six hundred thirty-six thousand, two hundred twenty-seven".