6138575867 has 2 divisors, whose sum is σ = 6138575868. Its totient is φ = 6138575866.

The previous prime is 6138575809. The next prime is 6138575873. The reversal of 6138575867 is 7685758316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6138575867 - 2¹⁸ = 6138313723 is a prime.

It is a super-2 number, since 2×6138575867² = 75364227349829603378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6138475867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069287933 + 3069287934.

It is an arithmetic number, because the mean of its divisors is an integer number (3069287934).

Almost surely, 2^6138575867 is an apocalyptic number.

6138575867 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138575867 is an equidigital number, since it uses as much as digits as its factorization.

6138575867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 56.

The square root of 6138575867 is about 78349.0642381899. The cubic root of 6138575867 is about 1831.0036465583.

The spelling of 6138575867 in words is "six billion, one hundred thirty-eight million, five hundred seventy-five thousand, eight hundred sixty-seven".