13904633479 has 4 divisors (see below), whose sum is σ = 15168691080. Its totient is φ = 12640575880.

The previous prime is 13904633473. The next prime is 13904633497. The reversal of 13904633479 is 97433640931.

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

It is a cyclic number.

It is not a de Polignac number, because 13904633479 - 2¹¹ = 13904631431 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904633473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632028784 + ... + 632028805.

It is an arithmetic number, because the mean of its divisors is an integer number (3792172770).

Almost surely, 2^13904633479 is an apocalyptic number.

13904633479 is a deficient number, since it is larger than the sum of its proper divisors (1264057601).

13904633479 is a wasteful number, since it uses less digits than its factorization.

13904633479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264057600.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 13904633479 in words is "thirteen billion, nine hundred four million, six hundred thirty-three thousand, four hundred seventy-nine".