36361634209 has 4 divisors (see below), whose sum is σ = 36362685616. Its totient is φ = 36360582804.

The previous prime is 36361634189. The next prime is 36361634213. The reversal of 36361634209 is 90243616363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90243616363 = 617 ⋅146261939.

It is a cyclic number.

It is not a de Polignac number, because 36361634209 - 2⁷ = 36361634081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36361634299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471999 + ... + 543604.

It is an arithmetic number, because the mean of its divisors is an integer number (9090671404).

Almost surely, 2^36361634209 is an apocalyptic number.

It is an amenable number.

36361634209 is a deficient number, since it is larger than the sum of its proper divisors (1051407).

36361634209 is a wasteful number, since it uses less digits than its factorization.

36361634209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051406.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 36361634209 in words is "thirty-six billion, three hundred sixty-one million, six hundred thirty-four thousand, two hundred nine".