36685168489 has 4 divisors (see below), whose sum is σ = 36687525120. Its totient is φ = 36682811860.

The previous prime is 36685168463. The next prime is 36685168493. The reversal of 36685168489 is 98486158663.

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.

It is a cyclic number.

It is not a de Polignac number, because 36685168489 - 2⁷ = 36685168361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36685168489.

It is not an unprimeable number, because it can be changed into a prime (36685162489) by changing a digit.

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, 1154809 + ... + 1186150.

It is an arithmetic number, because the mean of its divisors is an integer number (9171881280).

Almost surely, 2^36685168489 is an apocalyptic number.

It is an amenable number.

36685168489 is a deficient number, since it is larger than the sum of its proper divisors (2356631).

36685168489 is a wasteful number, since it uses less digits than its factorization.

36685168489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356630.

The product of its digits is 59719680, while the sum is 64.

The spelling of 36685168489 in words is "thirty-six billion, six hundred eighty-five million, one hundred sixty-eight thousand, four hundred eighty-nine".