13983674437 has 4 divisors (see below), whose sum is σ = 13983915820. Its totient is φ = 13983433056.

The previous prime is 13983674399. The next prime is 13983674447. The reversal of 13983674437 is 73447638931.

13983674437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8148853441 + 5834820996 = 90271^2 + 76386^2 .

It is a 3-Lehmer number, since φ(13983674437) divides (13983674437-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13983674437 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 (13983674447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24139 + ... + 168967.

It is an arithmetic number, because the mean of its divisors is an integer number (3495978955).

It is a Poulet number, since it divides 2^13983674436-1.

Almost surely, 2^13983674437 is an apocalyptic number.

13983674437 is the 96553-rd pentagonal number.

It is an amenable number.

13983674437 is a deficient number, since it is larger than the sum of its proper divisors (241383).

13983674437 is an equidigital number, since it uses as much as digits as its factorization.

13983674437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241382.

The product of its digits is 9144576, while the sum is 55.

The spelling of 13983674437 in words is "thirteen billion, nine hundred eighty-three million, six hundred seventy-four thousand, four hundred thirty-seven".