13641320656353 has 32 divisors (see below), whose sum is σ = 19613578723200. Its totient is φ = 8383500311040.

The previous prime is 13641320656333. The next prime is 13641320656361. The reversal of 13641320656353 is 35365602314631.

It is not a de Polignac number, because 13641320656353 - 2⁹ = 13641320655841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13641320656333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644999623 + ... + 645020771.

It is an arithmetic number, because the mean of its divisors is an integer number (612924335100).

Almost surely, 2^{13641320656353} is an apocalyptic number.

13641320656353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13641320656353 is a deficient number, since it is larger than the sum of its proper divisors (5972258066847).

13641320656353 is a wasteful number, since it uses less digits than its factorization.

13641320656353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42369.

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 13641320656353 in words is "thirteen trillion, six hundred forty-one billion, three hundred twenty million, six hundred fifty-six thousand, three hundred fifty-three".