36668852093 has 4 divisors (see below), whose sum is σ = 36687216060. Its totient is φ = 36650488128.

The previous prime is 36668852071. The next prime is 36668852123. The reversal of 36668852093 is 39025886663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39025886663 = 23 ⋅1696777681.

It can be written as a sum of positive squares in 2 ways, for example, as 17269376569 + 19399475524 = 131413^2 + 139282^2 .

It is a cyclic number.

It is not a de Polignac number, because 36668852093 - 2⁶ = 36668852029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36668882093) 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 in 3 ways as a sum of consecutive naturals, for example, 9178988 + ... + 9182981.

It is an arithmetic number, because the mean of its divisors is an integer number (9171804015).

Almost surely, 2^36668852093 is an apocalyptic number.

It is an amenable number.

36668852093 is a deficient number, since it is larger than the sum of its proper divisors (18363967).

36668852093 is a wasteful number, since it uses less digits than its factorization.

36668852093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18363966.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 36668852093 in words is "thirty-six billion, six hundred sixty-eight million, eight hundred fifty-two thousand, ninety-three".