13443352464 has 20 divisors (see below), whose sum is σ = 34728660656. Its totient is φ = 4481117472.

The previous prime is 13443352451. The next prime is 13443352469. The reversal of 13443352464 is 46425334431.

It is not an unprimeable number, because it can be changed into a prime (13443352469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140034874 + ... + 140034969.

Almost surely, 2^13443352464 is an apocalyptic number.

It is an amenable number.

13443352464 is an abundant number, since it is smaller than the sum of its proper divisors (21285308192).

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

13443352464 is a wasteful number, since it uses less digits than its factorization.

13443352464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280069854 (or 280069848 counting only the distinct ones).

The product of its digits is 414720, while the sum is 39.

Adding to 13443352464 its reverse (46425334431), we get a palindrome (59868686895).

The spelling of 13443352464 in words is "thirteen billion, four hundred forty-three million, three hundred fifty-two thousand, four hundred sixty-four".