13916390289 has 8 divisors (see below), whose sum is σ = 18556985280. Its totient is φ = 9276694416.

The previous prime is 13916390261. The next prime is 13916390291. The reversal of 13916390289 is 98209361931.

It is a happy number.

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

It is not a de Polignac number, because 13916390289 - 2¹² = 13916386193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13916391289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187794 + ... + 251195.

It is an arithmetic number, because the mean of its divisors is an integer number (2319623160).

Almost surely, 2^13916390289 is an apocalyptic number.

It is an amenable number.

13916390289 is a deficient number, since it is larger than the sum of its proper divisors (4640594991).

13916390289 is a wasteful number, since it uses less digits than its factorization.

13916390289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449559.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 13916390289 in words is "thirteen billion, nine hundred sixteen million, three hundred ninety thousand, two hundred eighty-nine".