36775215409 has 2 divisors, whose sum is σ = 36775215410. Its totient is φ = 36775215408.

The previous prime is 36775215397. The next prime is 36775215469. The reversal of 36775215409 is 90451257763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19126890000 + 17648325409 = 138300^2 + 132847^2 .

It is a cyclic number.

It is not a de Polignac number, because 36775215409 - 2⁹ = 36775214897 is a prime.

It is not a weakly prime, because it can be changed into another prime (36775215469) 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, 18387607704 + 18387607705.

It is an arithmetic number, because the mean of its divisors is an integer number (18387607705).

Almost surely, 2^36775215409 is an apocalyptic number.

It is an amenable number.

36775215409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36775215409 is an equidigital number, since it uses as much as digits as its factorization.

36775215409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 49.

It can be divided in two parts, 367752 and 15409, that added together give a square (383161 = 619²).

The spelling of 36775215409 in words is "thirty-six billion, seven hundred seventy-five million, two hundred fifteen thousand, four hundred nine".