36336605645 has 4 divisors (see below), whose sum is σ = 43603926780. Its totient is φ = 29069284512.

The previous prime is 36336605623. The next prime is 36336605693. The reversal of 36336605645 is 54650663363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54650663363 = 71 ⋅769727653.

It can be written as a sum of positive squares in 2 ways, for example, as 23615698276 + 12720907369 = 153674^2 + 112787^2 .

It is a cyclic number.

It is not a de Polignac number, because 36336605645 - 2¹⁶ = 36336540109 is a prime.

It is a super-3 number, since 3×36336605645³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36336605645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3633660560 + ... + 3633660569.

It is an arithmetic number, because the mean of its divisors is an integer number (10900981695).

Almost surely, 2^36336605645 is an apocalyptic number.

It is an amenable number.

36336605645 is a deficient number, since it is larger than the sum of its proper divisors (7267321135).

36336605645 is an equidigital number, since it uses as much as digits as its factorization.

36336605645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267321134.

The product of its (nonzero) digits is 3499200, while the sum is 47.

The spelling of 36336605645 in words is "thirty-six billion, three hundred thirty-six million, six hundred five thousand, six hundred forty-five".