13743681437 has 4 divisors (see below), whose sum is σ = 13744043040. Its totient is φ = 13743319836.

The previous prime is 13743681403. The next prime is 13743681439. The reversal of 13743681437 is 73418634731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73418634731 = 13 ⋅5647587287.

It is a cyclic number.

It is not a de Polignac number, because 13743681437 - 2⁶ = 13743681373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13743681391 and 13743681400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13743681439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116063 + ... + 202380.

It is an arithmetic number, because the mean of its divisors is an integer number (3436010760).

Almost surely, 2^13743681437 is an apocalyptic number.

It is an amenable number.

13743681437 is a deficient number, since it is larger than the sum of its proper divisors (361603).

13743681437 is an equidigital number, since it uses as much as digits as its factorization.

13743681437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361602.

The product of its digits is 1016064, while the sum is 47.

The spelling of 13743681437 in words is "thirteen billion, seven hundred forty-three million, six hundred eighty-one thousand, four hundred thirty-seven".