13855419684709 has 16 divisors (see below), whose sum is σ = 14187758152320. Its totient is φ = 13526792294400.

The previous prime is 13855419684683. The next prime is 13855419684737. The reversal of 13855419684709 is 90748691455831.

It is a cyclic number.

It is not a de Polignac number, because 13855419684709 - 2¹¹ = 13855419682661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855419684409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108966432 + ... + 109093510.

It is an arithmetic number, because the mean of its divisors is an integer number (886734884520).

Almost surely, 2^{13855419684709} is an apocalyptic number.

It is an amenable number.

13855419684709 is a deficient number, since it is larger than the sum of its proper divisors (332338467611).

13855419684709 is a wasteful number, since it uses less digits than its factorization.

13855419684709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141660.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 13855419684709 in words is "thirteen trillion, eight hundred fifty-five billion, four hundred nineteen million, six hundred eighty-four thousand, seven hundred nine".