93995775161 has 2 divisors, whose sum is σ = 93995775162. Its totient is φ = 93995775160.

The previous prime is 93995775143. The next prime is 93995775193. The reversal of 93995775161 is 16157759939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85523493136 + 8472282025 = 292444^2 + 92045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93995775161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 93995775094 and 93995775103.

It is not a weakly prime, because it can be changed into another prime (93995705161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46997887580 + 46997887581.

It is an arithmetic number, because the mean of its divisors is an integer number (46997887581).

Almost surely, 2^93995775161 is an apocalyptic number.

It is an amenable number.

93995775161 is a deficient number, since it is larger than the sum of its proper divisors (1).

93995775161 is an equidigital number, since it uses as much as digits as its factorization.

93995775161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16074450, while the sum is 62.

The spelling of 93995775161 in words is "ninety-three billion, nine hundred ninety-five million, seven hundred seventy-five thousand, one hundred sixty-one".