14644423064646 has 12 divisors (see below), whose sum is σ = 31729583306772. Its totient is φ = 4881474354876.

The previous prime is 14644423064627. The next prime is 14644423064681. The reversal of 14644423064646 is 64646032444641.

14644423064646 is a `hidden beast` number, since 1 + 464 + 44 + 23 + 0 + 64 + 64 + 6 = 666.

14644423064646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14644423064592 and 14644423064601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406789529556 + ... + 406789529591.

It is an arithmetic number, because the mean of its divisors is an integer number (2644131942231).

Almost surely, 2^{14644423064646} is an apocalyptic number.

14644423064646 is an abundant number, since it is smaller than the sum of its proper divisors (17085160242126).

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

14644423064646 is a wasteful number, since it uses less digits than its factorization.

14644423064646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813579059155 (or 813579059152 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 14644423064646 in words is "fourteen trillion, six hundred forty-four billion, four hundred twenty-three million, sixty-four thousand, six hundred forty-six".