13766840189 has 4 divisors (see below), whose sum is σ = 14210931840. Its totient is φ = 13322748540.

The previous prime is 13766840179. The next prime is 13766840201. The reversal of 13766840189 is 98104866731.

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: 98104866731 = 29 ⋅3382926439.

It is a cyclic number.

It is not a de Polignac number, because 13766840189 - 2²⁴ = 13750062973 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 13766840189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13766840119) 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, 222045779 + ... + 222045840.

It is an arithmetic number, because the mean of its divisors is an integer number (3552732960).

Almost surely, 2^13766840189 is an apocalyptic number.

It is an amenable number.

13766840189 is a deficient number, since it is larger than the sum of its proper divisors (444091651).

13766840189 is an equidigital number, since it uses as much as digits as its factorization.

13766840189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444091650.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 13766840189 in words is "thirteen billion, seven hundred sixty-six million, eight hundred forty thousand, one hundred eighty-nine".