36815743849 has 2 divisors, whose sum is σ = 36815743850. Its totient is φ = 36815743848.

The previous prime is 36815743841. The next prime is 36815743897. The reversal of 36815743849 is 94834751863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29814238224 + 7001505625 = 172668^2 + 83675^2 .

It is a cyclic number.

It is not a de Polignac number, because 36815743849 - 2³ = 36815743841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36815743793 and 36815743802.

It is not a weakly prime, because it can be changed into another prime (36815743841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18407871924 + 18407871925.

It is an arithmetic number, because the mean of its divisors is an integer number (18407871925).

Almost surely, 2^36815743849 is an apocalyptic number.

It is an amenable number.

36815743849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36815743849 is an equidigital number, since it uses as much as digits as its factorization.

36815743849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 36815743849 in words is "thirty-six billion, eight hundred fifteen million, seven hundred forty-three thousand, eight hundred forty-nine".