13984203893 has 12 divisors (see below), whose sum is σ = 16275249900. Its totient is φ = 11965092480.

The previous prime is 13984203869. The next prime is 13984203899. The reversal of 13984203893 is 39830248931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11427182404 + 2557021489 = 106898^2 + 50567^2 .

It is not a de Polignac number, because 13984203893 - 2⁶ = 13984203829 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 (13984203899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397118 + ... + 3401231.

It is an arithmetic number, because the mean of its divisors is an integer number (1356270825).

Almost surely, 2^13984203893 is an apocalyptic number.

It is an amenable number.

13984203893 is a deficient number, since it is larger than the sum of its proper divisors (2291046007).

13984203893 is a wasteful number, since it uses less digits than its factorization.

13984203893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798388 (or 6798377 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 13984203893 in words is "thirteen billion, nine hundred eighty-four million, two hundred three thousand, eight hundred ninety-three".