6441140143 has 2 divisors, whose sum is σ = 6441140144. Its totient is φ = 6441140142.

The previous prime is 6441140137. The next prime is 6441140219. The reversal of 6441140143 is 3410411446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6441140143 - 2²⁵ = 6407585711 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6441140843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220570071 + 3220570072.

It is an arithmetic number, because the mean of its divisors is an integer number (3220570072).

Almost surely, 2^6441140143 is an apocalyptic number.

6441140143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6441140143 is an equidigital number, since it uses as much as digits as its factorization.

6441140143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6441140143 is about 80256.7140057453. The cubic root of 6441140143 is about 1860.6052817721.

Adding to 6441140143 its reverse (3410411446), we get a palindrome (9851551589).

The spelling of 6441140143 in words is "six billion, four hundred forty-one million, one hundred forty thousand, one hundred forty-three".