2127668539 has 4 divisors (see below), whose sum is σ = 2196303040. Its totient is φ = 2059034040.

The previous prime is 2127668537. The next prime is 2127668597. The reversal of 2127668539 is 9358667212.

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 2127668539 - 2¹ = 2127668537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2127668492 and 2127668501.

It is not an unprimeable number, because it can be changed into a prime (2127668531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34317204 + ... + 34317265.

It is an arithmetic number, because the mean of its divisors is an integer number (549075760).

Almost surely, 2^2127668539 is an apocalyptic number.

2127668539 is a deficient number, since it is larger than the sum of its proper divisors (68634501).

2127668539 is an equidigital number, since it uses as much as digits as its factorization.

2127668539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68634500.

The product of its digits is 1088640, while the sum is 49.

The square root of 2127668539 is about 46126.6575745523. The cubic root of 2127668539 is about 1286.1787321914.

The spelling of 2127668539 in words is "two billion, one hundred twenty-seven million, six hundred sixty-eight thousand, five hundred thirty-nine".