13347552321 has 24 divisors (see below), whose sum is σ = 19430121984. Its totient is φ = 8829181440.

The previous prime is 13347552319. The next prime is 13347552331. The reversal of 13347552321 is 12325574331.

13347552321 is a `hidden beast` number, since 1 + 33 + 47 + 552 + 32 + 1 = 666.

13347552321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13347552321 - 2¹ = 13347552319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13347552331) 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 23 ways as a sum of consecutive naturals, for example, 859536 + ... + 874926.

It is an arithmetic number, because the mean of its divisors is an integer number (809588416).

Almost surely, 2^13347552321 is an apocalyptic number.

It is an amenable number.

13347552321 is a deficient number, since it is larger than the sum of its proper divisors (6082569663).

13347552321 is a wasteful number, since it uses less digits than its factorization.

13347552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16141 (or 16138 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The spelling of 13347552321 in words is "thirteen billion, three hundred forty-seven million, five hundred fifty-two thousand, three hundred twenty-one".