13345522644 has 48 divisors (see below), whose sum is σ = 32226163200. Its totient is φ = 4293399936.

The previous prime is 13345522627. The next prime is 13345522669. The reversal of 13345522644 is 44622554331.

13345522644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1096062 + ... + 1108170.

It is an arithmetic number, because the mean of its divisors is an integer number (671378400).

Almost surely, 2^13345522644 is an apocalyptic number.

It is an amenable number.

13345522644 is an abundant number, since it is smaller than the sum of its proper divisors (18880640556).

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

13345522644 is a wasteful number, since it uses less digits than its factorization.

13345522644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312 (or 15310 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The spelling of 13345522644 in words is "thirteen billion, three hundred forty-five million, five hundred twenty-two thousand, six hundred forty-four".