13443653064464 has 20 divisors (see below), whose sum is σ = 29768088928704. Its totient is φ = 5761565599008.

The previous prime is 13443653064427. The next prime is 13443653064467. The reversal of 13443653064464 is 46446035634431.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13443653064467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60016308212 + ... + 60016308435.

Almost surely, 2^{13443653064464} is an apocalyptic number.

13443653064464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13443653064464 is an abundant number, since it is smaller than the sum of its proper divisors (16324435864240).

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

13443653064464 is a wasteful number, since it uses less digits than its factorization.

13443653064464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120032616662 (or 120032616656 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

Adding to 13443653064464 its reverse (46446035634431), we get a palindrome (59889688698895).

The spelling of 13443653064464 in words is "thirteen trillion, four hundred forty-three billion, six hundred fifty-three million, sixty-four thousand, four hundred sixty-four".