4161138899 has 2 divisors, whose sum is σ = 4161138900. Its totient is φ = 4161138898.

The previous prime is 4161138887. The next prime is 4161138907. The reversal of 4161138899 is 9988311614.

4161138899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4161138899 - 2²⁰ = 4160090323 is a prime.

It is not a weakly prime, because it can be changed into another prime (4161138859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080569449 + 2080569450.

It is an arithmetic number, because the mean of its divisors is an integer number (2080569450).

Almost surely, 2^4161138899 is an apocalyptic number.

4161138899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161138899 is an equidigital number, since it uses as much as digits as its factorization.

4161138899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 50.

The square root of 4161138899 is about 64506.8903218873. The cubic root of 4161138899 is about 1608.4370592921.

The spelling of 4161138899 in words is "four billion, one hundred sixty-one million, one hundred thirty-eight thousand, eight hundred ninety-nine".