13475728738 has 8 divisors (see below), whose sum is σ = 20556196560. Its totient is φ = 6623663220.

The previous prime is 13475728703. The next prime is 13475728823. The reversal of 13475728738 is 83782757431.

13475728738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 57100428 + ... + 57100663.

It is an arithmetic number, because the mean of its divisors is an integer number (2569524570).

Almost surely, 2^13475728738 is an apocalyptic number.

13475728738 is a deficient number, since it is larger than the sum of its proper divisors (7080467822).

13475728738 is a wasteful number, since it uses less digits than its factorization.

13475728738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114201152.

The product of its digits is 7902720, while the sum is 55.

The spelling of 13475728738 in words is "thirteen billion, four hundred seventy-five million, seven hundred twenty-eight thousand, seven hundred thirty-eight".