13765942693 has 4 divisors (see below), whose sum is σ = 13766490400. Its totient is φ = 13765394988.

The previous prime is 13765942573. The next prime is 13765942721. The reversal of 13765942693 is 39624956731.

13765942693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 39624956731 = 10061 ⋅3938471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13765942693 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 (13765942193) 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, 234243 + ... + 287056.

It is an arithmetic number, because the mean of its divisors is an integer number (3441622600).

Almost surely, 2^13765942693 is an apocalyptic number.

It is an amenable number.

13765942693 is a deficient number, since it is larger than the sum of its proper divisors (547707).

13765942693 is an equidigital number, since it uses as much as digits as its factorization.

13765942693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547706.

The product of its digits is 7348320, while the sum is 55.

The spelling of 13765942693 in words is "thirteen billion, seven hundred sixty-five million, nine hundred forty-two thousand, six hundred ninety-three".