13456621446 has 32 divisors (see below), whose sum is σ = 28374777600. Its totient is φ = 4242702240.

The previous prime is 13456621433. The next prime is 13456621463. The reversal of 13456621446 is 64412665431.

13456621446 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 = 13456621398 and 13456621407.

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, 21601 + ... + 165468.

It is an arithmetic number, because the mean of its divisors is an integer number (886711800).

Almost surely, 2^13456621446 is an apocalyptic number.

13456621446 is an abundant number, since it is smaller than the sum of its proper divisors (14918156154).

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

13456621446 is a wasteful number, since it uses less digits than its factorization.

13456621446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187724.

The product of its digits is 414720, while the sum is 42.

The spelling of 13456621446 in words is "thirteen billion, four hundred fifty-six million, six hundred twenty-one thousand, four hundred forty-six".