13635444364 has 12 divisors (see below), whose sum is σ = 24631770688. Its totient is φ = 6597795600.

The previous prime is 13635444311. The next prime is 13635444391. The reversal of 13635444364 is 46344453631.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13635444364.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54981507 + ... + 54981754.

Almost surely, 2^13635444364 is an apocalyptic number.

It is an amenable number.

13635444364 is a deficient number, since it is larger than the sum of its proper divisors (10996326324).

13635444364 is a wasteful number, since it uses less digits than its factorization.

13635444364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109963296 (or 109963294 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

Adding to 13635444364 its reverse (46344453631), we get a palindrome (59979897995).

The spelling of 13635444364 in words is "thirteen billion, six hundred thirty-five million, four hundred forty-four thousand, three hundred sixty-four".