13449220668841 has 8 divisors (see below), whose sum is σ = 13463892336960. Its totient is φ = 13434553587312.

The previous prime is 13449220668839. The next prime is 13449220668857. The reversal of 13449220668841 is 14886602294431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13449220668841 - 2¹ = 13449220668839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13449220668641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4737586 + ... + 7024468.

It is an arithmetic number, because the mean of its divisors is an integer number (1682986542120).

Almost surely, 2^{13449220668841} is an apocalyptic number.

It is an amenable number.

13449220668841 is a deficient number, since it is larger than the sum of its proper divisors (14671668119).

13449220668841 is a wasteful number, since it uses less digits than its factorization.

13449220668841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293295.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 13449220668841 in words is "thirteen trillion, four hundred forty-nine billion, two hundred twenty million, six hundred sixty-eight thousand, eight hundred forty-one".