6441136343 has 4 divisors (see below), whose sum is σ = 6491854080. Its totient is φ = 6390418608.

The previous prime is 6441136333. The next prime is 6441136369. The reversal of 6441136343 is 3436311446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3436311446 = 2 ⋅1718155723.

It is a cyclic number.

It is not a de Polignac number, because 6441136343 - 2⁸ = 6441136087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441136333) 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, 25358678 + ... + 25358931.

It is an arithmetic number, because the mean of its divisors is an integer number (1622963520).

Almost surely, 2^6441136343 is an apocalyptic number.

6441136343 is a deficient number, since it is larger than the sum of its proper divisors (50717737).

6441136343 is a wasteful number, since it uses less digits than its factorization.

6441136343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717736.

The product of its digits is 62208, while the sum is 35.

The square root of 6441136343 is about 80256.6903317100. The cubic root of 6441136343 is about 1860.6049158792.

Adding to 6441136343 its reverse (3436311446), we get a palindrome (9877447789).

The spelling of 6441136343 in words is "six billion, four hundred forty-one million, one hundred thirty-six thousand, three hundred forty-three".