13441730191 has 4 divisors (see below), whose sum is σ = 13502007232. Its totient is φ = 13381453152.

The previous prime is 13441730189. The next prime is 13441730207. The reversal of 13441730191 is 19103714431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13441730191 - 2¹ = 13441730189 is a prime.

It is a super-2 number, since 2×13441730191² (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 (13441730591) 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, 30138186 + ... + 30138631.

It is an arithmetic number, because the mean of its divisors is an integer number (3375501808).

Almost surely, 2^13441730191 is an apocalyptic number.

13441730191 is a deficient number, since it is larger than the sum of its proper divisors (60277041).

13441730191 is an equidigital number, since it uses as much as digits as its factorization.

13441730191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60277040.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 13441730191 in words is "thirteen billion, four hundred forty-one million, seven hundred thirty thousand, one hundred ninety-one".