4143246423439 has 2 divisors, whose sum is σ = 4143246423440. Its totient is φ = 4143246423438.

The previous prime is 4143246423397. The next prime is 4143246423469. The reversal of 4143246423439 is 9343246423414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4143246423439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4143246423392 and 4143246423401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4143246423469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071623211719 + 2071623211720.

It is an arithmetic number, because the mean of its divisors is an integer number (2071623211720).

Almost surely, 2^{4143246423439} is an apocalyptic number.

4143246423439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4143246423439 is an equidigital number, since it uses as much as digits as its factorization.

4143246423439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 49.

The spelling of 4143246423439 in words is "four trillion, one hundred forty-three billion, two hundred forty-six million, four hundred twenty-three thousand, four hundred thirty-nine".