36436275266509 has 2 divisors, whose sum is σ = 36436275266510. Its totient is φ = 36436275266508.

The previous prime is 36436275266441. The next prime is 36436275266639. The reversal of 36436275266509 is 90566257263463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24427347414409 + 12008927852100 = 4942403^2 + 3465390^2 .

It is a cyclic number.

It is not a de Polignac number, because 36436275266509 - 2¹⁵ = 36436275233741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36436275966509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18218137633254 + 18218137633255.

It is an arithmetic number, because the mean of its divisors is an integer number (18218137633255).

Almost surely, 2^{36436275266509} is an apocalyptic number.

It is an amenable number.

36436275266509 is a deficient number, since it is larger than the sum of its proper divisors (1).

36436275266509 is an equidigital number, since it uses as much as digits as its factorization.

36436275266509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 64.

The spelling of 36436275266509 in words is "thirty-six trillion, four hundred thirty-six billion, two hundred seventy-five million, two hundred sixty-six thousand, five hundred nine".