13441873537 has 4 divisors (see below), whose sum is σ = 13442324400. Its totient is φ = 13441422676.

The previous prime is 13441873519. The next prime is 13441873541. The reversal of 13441873537 is 73537814431.

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.

It is a cyclic number.

It is not a de Polignac number, because 13441873537 - 2¹⁹ = 13441349249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441873547) 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, 177283 + ... + 241480.

It is an arithmetic number, because the mean of its divisors is an integer number (3360581100).

Almost surely, 2^13441873537 is an apocalyptic number.

It is an amenable number.

13441873537 is a deficient number, since it is larger than the sum of its proper divisors (450863).

13441873537 is an equidigital number, since it uses as much as digits as its factorization.

13441873537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450862.

The product of its digits is 846720, while the sum is 46.

The spelling of 13441873537 in words is "thirteen billion, four hundred forty-one million, eight hundred seventy-three thousand, five hundred thirty-seven".