36815778341 has 2 divisors, whose sum is σ = 36815778342. Its totient is φ = 36815778340.

The previous prime is 36815778283. The next prime is 36815778353. The reversal of 36815778341 is 14387751863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26089033441 + 10726744900 = 161521^2 + 103570^2 .

It is a cyclic number.

It is not a de Polignac number, because 36815778341 - 2⁶ = 36815778277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36815778361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18407889170 + 18407889171.

It is an arithmetic number, because the mean of its divisors is an integer number (18407889171).

Almost surely, 2^36815778341 is an apocalyptic number.

It is an amenable number.

36815778341 is a deficient number, since it is larger than the sum of its proper divisors (1).

36815778341 is an equidigital number, since it uses as much as digits as its factorization.

36815778341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The spelling of 36815778341 in words is "thirty-six billion, eight hundred fifteen million, seven hundred seventy-eight thousand, three hundred forty-one".