6143643239 has 2 divisors, whose sum is σ = 6143643240. Its totient is φ = 6143643238.

The previous prime is 6143643199. The next prime is 6143643257. The reversal of 6143643239 is 9323463416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6143643239 - 2²⁰ = 6142594663 is a prime.

It is a super-2 number, since 2×6143643239² = 75488704496220822242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6143643196 and 6143643205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6143643299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071821619 + 3071821620.

It is an arithmetic number, because the mean of its divisors is an integer number (3071821620).

Almost surely, 2^6143643239 is an apocalyptic number.

6143643239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6143643239 is an equidigital number, since it uses as much as digits as its factorization.

6143643239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 41.

The square root of 6143643239 is about 78381.3960005817. The cubic root of 6143643239 is about 1831.5073369306.

The spelling of 6143643239 in words is "six billion, one hundred forty-three million, six hundred forty-three thousand, two hundred thirty-nine".