6138545243 has 2 divisors, whose sum is σ = 6138545244. Its totient is φ = 6138545242.

The previous prime is 6138545227. The next prime is 6138545263. The reversal of 6138545243 is 3425458316.

6138545243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6138545243 - 2⁴ = 6138545227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6138545243.

It is not a weakly prime, because it can be changed into another prime (6138545263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069272621 + 3069272622.

It is an arithmetic number, because the mean of its divisors is an integer number (3069272622).

Almost surely, 2^6138545243 is an apocalyptic number.

6138545243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138545243 is an equidigital number, since it uses as much as digits as its factorization.

6138545243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 6138545243 is about 78348.8688048526. The cubic root of 6138545243 is about 1831.0006017288. Note that the first 3 decimals are identical.

The spelling of 6138545243 in words is "six billion, one hundred thirty-eight million, five hundred forty-five thousand, two hundred forty-three".