36782908181 has 2 divisors, whose sum is σ = 36782908182. Its totient is φ = 36782908180.

The previous prime is 36782908133. The next prime is 36782908189. The reversal of 36782908181 is 18180928763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32989456900 + 3793451281 = 181630^2 + 61591^2 .

It is a cyclic number.

It is not a de Polignac number, because 36782908181 - 2⁶ = 36782908117 is a prime.

It is a super-2 number, since 2×36782908181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36782908189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18391454090 + 18391454091.

It is an arithmetic number, because the mean of its divisors is an integer number (18391454091).

Almost surely, 2^36782908181 is an apocalyptic number.

It is an amenable number.

36782908181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36782908181 is an equidigital number, since it uses as much as digits as its factorization.

36782908181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 36782908181 in words is "thirty-six billion, seven hundred eighty-two million, nine hundred eight thousand, one hundred eighty-one".