11432687693 has 16 divisors (see below), whose sum is σ = 13356240000. Its totient is φ = 9782057376.

The previous prime is 11432687677. The next prime is 11432687711. The reversal of 11432687693 is 39678623411.

11432687693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11432687693 - 2⁴ = 11432687677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11432687633) 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 15 ways as a sum of consecutive naturals, for example, 165878 + ... + 224456.

It is an arithmetic number, because the mean of its divisors is an integer number (834765000).

Almost surely, 2^11432687693 is an apocalyptic number.

It is an amenable number.

11432687693 is a deficient number, since it is larger than the sum of its proper divisors (1923552307).

11432687693 is an frugal number, since it uses more digits than its factorization.

11432687693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59169 (or 59155 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The spelling of 11432687693 in words is "eleven billion, four hundred thirty-two million, six hundred eighty-seven thousand, six hundred ninety-three".