9538740161 has 2 divisors, whose sum is σ = 9538740162. Its totient is φ = 9538740160.

The previous prime is 9538740157. The next prime is 9538740209. The reversal of 9538740161 is 1610478359.

9538740161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8838820225 + 699919936 = 94015^2 + 26456^2 .

It is a cyclic number.

It is not a de Polignac number, because 9538740161 - 2² = 9538740157 is a prime.

It is not a weakly prime, because it can be changed into another prime (9538740461) 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, 4769370080 + 4769370081.

It is an arithmetic number, because the mean of its divisors is an integer number (4769370081).

Almost surely, 2^9538740161 is an apocalyptic number.

It is an amenable number.

9538740161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9538740161 is an equidigital number, since it uses as much as digits as its factorization.

9538740161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 9538740161 is about 97666.4740891162. The cubic root of 9538740161 is about 2120.7867734361.

The spelling of 9538740161 in words is "nine billion, five hundred thirty-eight million, seven hundred forty thousand, one hundred sixty-one".