6138545177 has 2 divisors, whose sum is σ = 6138545178. Its totient is φ = 6138545176.

The previous prime is 6138545129. The next prime is 6138545183. The reversal of 6138545177 is 7715458316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5771592841 + 366952336 = 75971^2 + 19156^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138545177 - 2⁸ = 6138544921 is a prime.

It is a super-2 number, since 2×6138545177² = 75363473780139922658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6138541177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069272588 + 3069272589.

It is an arithmetic number, because the mean of its divisors is an integer number (3069272589).

Almost surely, 2^6138545177 is an apocalyptic number.

It is an amenable number.

6138545177 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138545177 is an equidigital number, since it uses as much as digits as its factorization.

6138545177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 47.

The square root of 6138545177 is about 78348.8683836595. The cubic root of 6138545177 is about 1831.0005951667. Note that the first 3 decimals are identical.

The spelling of 6138545177 in words is "six billion, one hundred thirty-eight million, five hundred forty-five thousand, one hundred seventy-seven".