13442521441 has 4 divisors (see below), whose sum is σ = 13510072000. Its totient is φ = 13374970884.

The previous prime is 13442521439. The next prime is 13442521447. The reversal of 13442521441 is 14412524431.

It is a happy number.

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 13442521441 - 2¹ = 13442521439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442521447) 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, 33774981 + ... + 33775378.

It is an arithmetic number, because the mean of its divisors is an integer number (3377518000).

Almost surely, 2^13442521441 is an apocalyptic number.

It is an amenable number.

13442521441 is a deficient number, since it is larger than the sum of its proper divisors (67550559).

13442521441 is an equidigital number, since it uses as much as digits as its factorization.

13442521441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67550558.

The product of its digits is 15360, while the sum is 31.

The spelling of 13442521441 in words is "thirteen billion, four hundred forty-two million, five hundred twenty-one thousand, four hundred forty-one".