13455788889 has 8 divisors (see below), whose sum is σ = 18358285792. Its totient is φ = 8761908960.

The previous prime is 13455788867. The next prime is 13455788939. The reversal of 13455788889 is 98888755431.

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

It is not a de Polignac number, because 13455788889 - 2²⁴ = 13439011673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13455788849) 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, 52154092 + ... + 52154349.

It is an arithmetic number, because the mean of its divisors is an integer number (2294785724).

Almost surely, 2^13455788889 is an apocalyptic number.

It is an amenable number.

13455788889 is a deficient number, since it is larger than the sum of its proper divisors (4902496903).

13455788889 is a wasteful number, since it uses less digits than its factorization.

13455788889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104308487.

The product of its digits is 77414400, while the sum is 66.

It can be divided in two parts, 134557 and 88889, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 13455788889 in words is "thirteen billion, four hundred fifty-five million, seven hundred eighty-eight thousand, eight hundred eighty-nine".