13828938934 has 4 divisors (see below), whose sum is σ = 20743408404. Its totient is φ = 6914469466.

The previous prime is 13828938931. The next prime is 13828938943. The reversal of 13828938934 is 43983982831.

13828938934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13828938931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457234732 + ... + 3457234735.

It is an arithmetic number, because the mean of its divisors is an integer number (5185852101).

Almost surely, 2^13828938934 is an apocalyptic number.

13828938934 is a deficient number, since it is larger than the sum of its proper divisors (6914469470).

13828938934 is an equidigital number, since it uses as much as digits as its factorization.

13828938934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914469469.

The product of its digits is 8957952, while the sum is 58.

The spelling of 13828938934 in words is "thirteen billion, eight hundred twenty-eight million, nine hundred thirty-eight thousand, nine hundred thirty-four".