13243113663664 has 80 divisors (see below), whose sum is σ = 26065167124320. Its totient is φ = 6517413324800.

The previous prime is 13243113663623. The next prime is 13243113663673. The reversal of 13243113663664 is 46636631134231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636362402 + ... + 1636370494.

It is an arithmetic number, because the mean of its divisors is an integer number (325814589054).

Almost surely, 2^{13243113663664} is an apocalyptic number.

It is an amenable number.

13243113663664 is a deficient number, since it is larger than the sum of its proper divisors (12822053460656).

13243113663664 is a wasteful number, since it uses less digits than its factorization.

13243113663664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038 (or 14032 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 49.

Adding to 13243113663664 its reverse (46636631134231), we get a palindrome (59879744797895).

The spelling of 13243113663664 in words is "thirteen trillion, two hundred forty-three billion, one hundred thirteen million, six hundred sixty-three thousand, six hundred sixty-four".