13817536322 has 18 divisors (see below), whose sum is σ = 21230504217. Its totient is φ = 6744608136.

The previous prime is 13817536297. The next prime is 13817536363. The reversal of 13817536322 is 22363571831.

It can be written as a sum of positive squares in 2 ways, for example, as 13349722681 + 467813641 = 115541^2 + 21629^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=83119.

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 13817536322.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7147268 + ... + 7149200.

Almost surely, 2^13817536322 is an apocalyptic number.

13817536322 is a deficient number, since it is larger than the sum of its proper divisors (7412967895).

13817536322 is an frugal number, since it uses more digits than its factorization.

13817536322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954 (or 1978 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 13817536322 in words is "thirteen billion, eight hundred seventeen million, five hundred thirty-six thousand, three hundred twenty-two".