13478353889 has 32 divisors (see below), whose sum is σ = 18481913856. Its totient is φ = 9488416320.

The previous prime is 13478353877. The next prime is 13478353891. The reversal of 13478353889 is 98835387431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13478353889 - 2⁴ = 13478353873 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13478353829) 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, 96197 + ... + 190290.

It is an arithmetic number, because the mean of its divisors is an integer number (577559808).

Almost surely, 2^13478353889 is an apocalyptic number.

It is an amenable number.

13478353889 is a deficient number, since it is larger than the sum of its proper divisors (5003559967).

13478353889 is a wasteful number, since it uses less digits than its factorization.

13478353889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286565.

The product of its digits is 17418240, while the sum is 59.

The spelling of 13478353889 in words is "thirteen billion, four hundred seventy-eight million, three hundred fifty-three thousand, eight hundred eighty-nine".