36038943181 has 2 divisors, whose sum is σ = 36038943182. Its totient is φ = 36038943180.

The previous prime is 36038943173. The next prime is 36038943203. The reversal of 36038943181 is 18134983063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19389170025 + 16649773156 = 139245^2 + 129034^2 .

It is a cyclic number.

It is not a de Polignac number, because 36038943181 - 2³ = 36038943173 is a prime.

It is a super-2 number, since 2×36038943181² (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 (36038943121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18019471590 + 18019471591.

It is an arithmetic number, because the mean of its divisors is an integer number (18019471591).

Almost surely, 2^36038943181 is an apocalyptic number.

It is an amenable number.

36038943181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36038943181 is an equidigital number, since it uses as much as digits as its factorization.

36038943181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 36038943181 in words is "thirty-six billion, thirty-eight million, nine hundred forty-three thousand, one hundred eighty-one".