13823722697 has 16 divisors (see below), whose sum is σ = 14369302800. Its totient is φ = 13282913280.

The previous prime is 13823722691. The next prime is 13823722723. The reversal of 13823722697 is 79622732831.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1237350976 + 12586371721 = 35176^2 + 112189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13823722697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13823722691) 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 15 ways as a sum of consecutive naturals, for example, 6178463 + ... + 6180699.

It is an arithmetic number, because the mean of its divisors is an integer number (898081425).

Almost surely, 2^13823722697 is an apocalyptic number.

It is an amenable number.

13823722697 is a deficient number, since it is larger than the sum of its proper divisors (545580103).

13823722697 is a wasteful number, since it uses less digits than its factorization.

13823722697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196.

The product of its digits is 1524096, while the sum is 50.

The spelling of 13823722697 in words is "thirteen billion, eight hundred twenty-three million, seven hundred twenty-two thousand, six hundred ninety-seven".