4138184009 has 2 divisors, whose sum is σ = 4138184010. Its totient is φ = 4138184008.

The previous prime is 4138183993. The next prime is 4138184033. The reversal of 4138184009 is 9004818314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3602400400 + 535783609 = 60020^2 + 23147^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138184009 - 2⁴ = 4138183993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4138180009) 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 as a sum of consecutive naturals, namely, 2069092004 + 2069092005.

It is an arithmetic number, because the mean of its divisors is an integer number (2069092005).

Almost surely, 2^4138184009 is an apocalyptic number.

It is an amenable number.

4138184009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138184009 is an equidigital number, since it uses as much as digits as its factorization.

4138184009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 4138184009 is about 64328.7183845598. The cubic root of 4138184009 is about 1605.4739604958.

The spelling of 4138184009 in words is "four billion, one hundred thirty-eight million, one hundred eighty-four thousand, nine".