13420043441 has 8 divisors (see below), whose sum is σ = 15405970944. Its totient is φ = 11451310560.

The previous prime is 13420043401. The next prime is 13420043447. The reversal of 13420043441 is 14434002431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13420043441 - 2¹⁰ = 13420042417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13420043441.

It is not an unprimeable number, because it can be changed into a prime (13420043447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296980 + ... + 4300101.

It is an arithmetic number, because the mean of its divisors is an integer number (1925746368).

Almost surely, 2^13420043441 is an apocalyptic number.

It is an amenable number.

13420043441 is a deficient number, since it is larger than the sum of its proper divisors (1985927503).

13420043441 is an equidigital number, since it uses as much as digits as its factorization.

13420043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597311.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13420043441 its reverse (14434002431), we get a palindrome (27854045872).

The spelling of 13420043441 in words is "thirteen billion, four hundred twenty million, forty-three thousand, four hundred forty-one".