13884861455 has 4 divisors (see below), whose sum is σ = 16661833752. Its totient is φ = 11107889160.

The previous prime is 13884861451. The next prime is 13884861457. The reversal of 13884861455 is 55416848831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55416848831 = 8599 ⋅6444569.

It is not a de Polignac number, because 13884861455 - 2² = 13884861451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13884861397 and 13884861406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13884861451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388486141 + ... + 1388486150.

It is an arithmetic number, because the mean of its divisors is an integer number (4165458438).

Almost surely, 2^13884861455 is an apocalyptic number.

13884861455 is a deficient number, since it is larger than the sum of its proper divisors (2776972297).

13884861455 is an equidigital number, since it uses as much as digits as its factorization.

13884861455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776972296.

The product of its digits is 3686400, while the sum is 53.

The spelling of 13884861455 in words is "thirteen billion, eight hundred eighty-four million, eight hundred sixty-one thousand, four hundred fifty-five".