13312547464 has 8 divisors (see below), whose sum is σ = 24961026510. Its totient is φ = 6656273728.

The previous prime is 13312547441. The next prime is 13312547491. The reversal of 13312547464 is 46474521331.

13312547464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8047884100 + 5264663364 = 89710^2 + 72558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 832034209 + ... + 832034224.

Almost surely, 2^13312547464 is an apocalyptic number.

It is an amenable number.

13312547464 is a deficient number, since it is larger than the sum of its proper divisors (11648479046).

13312547464 is a wasteful number, since it uses less digits than its factorization.

13312547464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664068439 (or 1664068435 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 13312547464 in words is "thirteen billion, three hundred twelve million, five hundred forty-seven thousand, four hundred sixty-four".