4427340161 has 2 divisors, whose sum is σ = 4427340162. Its totient is φ = 4427340160.

The previous prime is 4427340149. The next prime is 4427340221. The reversal of 4427340161 is 1610437244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3487611136 + 939729025 = 59056^2 + 30655^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427340161 - 2⁶ = 4427340097 is a prime.

It is not a weakly prime, because it can be changed into another prime (4427340061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213670080 + 2213670081.

It is an arithmetic number, because the mean of its divisors is an integer number (2213670081).

Almost surely, 2^4427340161 is an apocalyptic number.

It is an amenable number.

4427340161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427340161 is an equidigital number, since it uses as much as digits as its factorization.

4427340161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4427340161 is about 66538.2608804889. The cubic root of 4427340161 is about 1642.0295319206.

The spelling of 4427340161 in words is "four billion, four hundred twenty-seven million, three hundred forty thousand, one hundred sixty-one".