13823726365 has 8 divisors (see below), whose sum is σ = 16860414168. Its totient is φ = 10877686080.

The previous prime is 13823726347. The next prime is 13823726417. The reversal of 13823726365 is 56362732831.

It can be written as a sum of positive squares in 4 ways, for example, as 639634681 + 13184091684 = 25291^2 + 114822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13823726365 - 2³¹ = 11676242717 is a prime.

It is a super-2 number, since 2×13823726365² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22661542 + ... + 22662151.

It is an arithmetic number, because the mean of its divisors is an integer number (2107551771).

Almost surely, 2^13823726365 is an apocalyptic number.

It is an amenable number.

13823726365 is a deficient number, since it is larger than the sum of its proper divisors (3036687803).

13823726365 is an equidigital number, since it uses as much as digits as its factorization.

13823726365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45323759.

The product of its digits is 1088640, while the sum is 46.

The spelling of 13823726365 in words is "thirteen billion, eight hundred twenty-three million, seven hundred twenty-six thousand, three hundred sixty-five".