93996586181 has 2 divisors, whose sum is σ = 93996586182. Its totient is φ = 93996586180.

The previous prime is 93996586163. The next prime is 93996586207. The reversal of 93996586181 is 18168569939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74338022500 + 19658563681 = 272650^2 + 140209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93996586181 is a prime.

It is a super-2 number, since 2×93996586181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93996586111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46998293090 + 46998293091.

It is an arithmetic number, because the mean of its divisors is an integer number (46998293091).

Almost surely, 2^93996586181 is an apocalyptic number.

It is an amenable number.

93996586181 is a deficient number, since it is larger than the sum of its proper divisors (1).

93996586181 is an equidigital number, since it uses as much as digits as its factorization.

93996586181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 65.

The spelling of 93996586181 in words is "ninety-three billion, nine hundred ninety-six million, five hundred eighty-six thousand, one hundred eighty-one".