13784638463 has 16 divisors (see below), whose sum is σ = 14037978240. Its totient is φ = 13534058496.

The previous prime is 13784638433. The next prime is 13784638471. The reversal of 13784638463 is 36483648731.

It is a Cunningham number, because it is equal to 117408²-1.

It is a cyclic number.

It is not a de Polignac number, because 13784638463 - 2¹⁰ = 13784637439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13784638433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13266698 + ... + 13267736.

It is an arithmetic number, because the mean of its divisors is an integer number (877373640).

Almost surely, 2^13784638463 is an apocalyptic number.

13784638463 is a deficient number, since it is larger than the sum of its proper divisors (253339777).

13784638463 is a wasteful number, since it uses less digits than its factorization.

13784638463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its digits is 6967296, while the sum is 53.

The spelling of 13784638463 in words is "thirteen billion, seven hundred eighty-four million, six hundred thirty-eight thousand, four hundred sixty-three".