13663403336 has 32 divisors (see below), whose sum is σ = 29591866080. Its totient is φ = 5845305600.

The previous prime is 13663403317. The next prime is 13663403399. The reversal of 13663403336 is 63330436631.

It is a self number, because there is not a number n which added to its sum of digits gives 13663403336.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4565150 + ... + 4568141.

It is an arithmetic number, because the mean of its divisors is an integer number (924745815).

Almost surely, 2^13663403336 is an apocalyptic number.

It is an amenable number.

13663403336 is an abundant number, since it is smaller than the sum of its proper divisors (15928462744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13663403336 is a wasteful number, since it uses less digits than its factorization.

13663403336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133325 (or 9133321 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 38.

Adding to 13663403336 its reverse (63330436631), we get a palindrome (76993839967).

The spelling of 13663403336 in words is "thirteen billion, six hundred sixty-three million, four hundred three thousand, three hundred thirty-six".