1836382000181 has 2 divisors, whose sum is σ = 1836382000182. Its totient is φ = 1836382000180.

The previous prime is 1836382000171. The next prime is 1836382000223. The reversal of 1836382000181 is 1810002836381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1564037878225 + 272344121956 = 1250615^2 + 521866^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836382000181 - 2³⁴ = 1819202130997 is a prime.

It is a super-2 number, since 2×1836382000181² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1836382000171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918191000090 + 918191000091.

It is an arithmetic number, because the mean of its divisors is an integer number (918191000091).

Almost surely, 2^{1836382000181} is an apocalyptic number.

It is an amenable number.

1836382000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836382000181 is an equidigital number, since it uses as much as digits as its factorization.

1836382000181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 1836382000181 in words is "one trillion, eight hundred thirty-six billion, three hundred eighty-two million, one hundred eighty-one", and thus it is an aban number.