36043781017 has 2 divisors, whose sum is σ = 36043781018. Its totient is φ = 36043781016.

The previous prime is 36043780951. The next prime is 36043781023. The reversal of 36043781017 is 71018734063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34661502976 + 1382278041 = 186176^2 + 37179^2 .

It is a cyclic number.

It is not a de Polignac number, because 36043781017 - 2¹⁵ = 36043748249 is a prime.

It is not a weakly prime, because it can be changed into another prime (36043782017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18021890508 + 18021890509.

It is an arithmetic number, because the mean of its divisors is an integer number (18021890509).

Almost surely, 2^36043781017 is an apocalyptic number.

It is an amenable number.

36043781017 is a deficient number, since it is larger than the sum of its proper divisors (1).

36043781017 is an equidigital number, since it uses as much as digits as its factorization.

36043781017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 36043781017 in words is "thirty-six billion, forty-three million, seven hundred eighty-one thousand, seventeen".