13443422141 has 4 divisors (see below), whose sum is σ = 13513077372. Its totient is φ = 13373766912.

The previous prime is 13443422137. The next prime is 13443422171. The reversal of 13443422141 is 14122434431.

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 1162128100 + 12281294041 = 34090^2 + 110821^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443422141 - 2² = 13443422137 is a prime.

It is a super-2 number, since 2×13443422141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443422101) 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, 34827326 + ... + 34827711.

It is an arithmetic number, because the mean of its divisors is an integer number (3378269343).

Almost surely, 2^13443422141 is an apocalyptic number.

It is an amenable number.

13443422141 is a deficient number, since it is larger than the sum of its proper divisors (69655231).

13443422141 is an equidigital number, since it uses as much as digits as its factorization.

13443422141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69655230.

The product of its digits is 9216, while the sum is 29.

Adding to 13443422141 its reverse (14122434431), we get a palindrome (27565856572).

The spelling of 13443422141 in words is "thirteen billion, four hundred forty-three million, four hundred twenty-two thousand, one hundred forty-one".