13995428216 has 144 divisors (see below), whose sum is σ = 33873424200. Its totient is φ = 5400743040.

The previous prime is 13995428191. The next prime is 13995428219. The reversal of 13995428216 is 61282459931.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995428219) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5168735 + ... + 5171441.

Almost surely, 2^13995428216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13995428216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16936712100).

13995428216 is an abundant number, since it is smaller than the sum of its proper divisors (19877995984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13995428216 is a wasteful number, since it uses less digits than its factorization.

13995428216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2836 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The spelling of 13995428216 in words is "thirteen billion, nine hundred ninety-five million, four hundred twenty-eight thousand, two hundred sixteen".