4161138847 has 2 divisors, whose sum is σ = 4161138848. Its totient is φ = 4161138846.

The previous prime is 4161138811. The next prime is 4161138859. The reversal of 4161138847 is 7488311614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4161138847 - 2¹¹ = 4161136799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161138887) 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, 2080569423 + 2080569424.

It is an arithmetic number, because the mean of its divisors is an integer number (2080569424).

Almost surely, 2^4161138847 is an apocalyptic number.

4161138847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161138847 is an equidigital number, since it uses as much as digits as its factorization.

4161138847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 4161138847 is about 64506.8899188296. The cubic root of 4161138847 is about 1608.4370525921.

The spelling of 4161138847 in words is "four billion, one hundred sixty-one million, one hundred thirty-eight thousand, eight hundred forty-seven".