4327868161 has 2 divisors, whose sum is σ = 4327868162. Its totient is φ = 4327868160.

The previous prime is 4327868159. The next prime is 4327868183. The reversal of 4327868161 is 1618687234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4217723136 + 110145025 = 64944^2 + 10495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4327868161 - 2¹ = 4327868159 is a prime.

Together with 4327868159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4327868131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2163934080 + 2163934081.

It is an arithmetic number, because the mean of its divisors is an integer number (2163934081).

Almost surely, 2^4327868161 is an apocalyptic number.

It is an amenable number.

4327868161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4327868161 is an equidigital number, since it uses as much as digits as its factorization.

4327868161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 4327868161 is about 65786.5348000638. The cubic root of 4327868161 is about 1629.6387422519.

The spelling of 4327868161 in words is "four billion, three hundred twenty-seven million, eight hundred sixty-eight thousand, one hundred sixty-one".