13344455668 has 24 divisors (see below), whose sum is σ = 25246272800. Its totient is φ = 6150217248.

The previous prime is 13344455659. The next prime is 13344455693. The reversal of 13344455668 is 86655444331.

It is a plaindrome in base 10.

It is a congruent number.

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, 2369958 + ... + 2375581.

Almost surely, 2^13344455668 is an apocalyptic number.

It is an amenable number.

13344455668 is a deficient number, since it is larger than the sum of its proper divisors (11901817132).

13344455668 is a wasteful number, since it uses less digits than its factorization.

13344455668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745599 (or 4745597 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

Adding to 13344455668 its reverse (86655444331), we get a palindrome (99999899999).

The spelling of 13344455668 in words is "thirteen billion, three hundred forty-four million, four hundred fifty-five thousand, six hundred sixty-eight".