13728919467 has 8 divisors (see below), whose sum is σ = 18438841296. Its totient is φ = 9085805312.

The previous prime is 13728919447. The next prime is 13728919469. The reversal of 13728919467 is 76491982731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13728919467 - 2³⁰ = 12655177643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13728919469) 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, 16701438 + ... + 16702259.

It is an arithmetic number, because the mean of its divisors is an integer number (2304855162).

Almost surely, 2^13728919467 is an apocalyptic number.

13728919467 is a deficient number, since it is larger than the sum of its proper divisors (4709921829).

13728919467 is a wasteful number, since it uses less digits than its factorization.

13728919467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33403837.

The product of its digits is 4572288, while the sum is 57.

The spelling of 13728919467 in words is "thirteen billion, seven hundred twenty-eight million, nine hundred nineteen thousand, four hundred sixty-seven".