6138545227 has 2 divisors, whose sum is σ = 6138545228. Its totient is φ = 6138545226.

The previous prime is 6138545183. The next prime is 6138545243. The reversal of 6138545227 is 7225458316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6138545227 - 2²⁷ = 6004327499 is a prime.

It is not a weakly prime, because it can be changed into another prime (6138545627) 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 as a sum of consecutive naturals, namely, 3069272613 + 3069272614.

It is an arithmetic number, because the mean of its divisors is an integer number (3069272614).

Almost surely, 2^6138545227 is an apocalyptic number.

6138545227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138545227 is an equidigital number, since it uses as much as digits as its factorization.

6138545227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 6138545227 is about 78348.8687027452. The cubic root of 6138545227 is about 1831.0006001380. Note that the first 3 decimals are identical.

The spelling of 6138545227 in words is "six billion, one hundred thirty-eight million, five hundred forty-five thousand, two hundred twenty-seven".