6143999963 has 2 divisors, whose sum is σ = 6143999964. Its totient is φ = 6143999962.

The previous prime is 6143999881. The next prime is 6144000029. The reversal of 6143999963 is 3699993416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6143999963 - 2¹² = 6143995867 is a prime.

It is not a weakly prime, because it can be changed into another prime (6143999663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071999981 + 3071999982.

It is an arithmetic number, because the mean of its divisors is an integer number (3071999982).

Almost surely, 2^6143999963 is an apocalyptic number.

6143999963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6143999963 is an equidigital number, since it uses as much as digits as its factorization.

6143999963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8503056, while the sum is 59.

The square root of 6143999963 is about 78383.6715330432. The cubic root of 6143999963 is about 1831.5427844087.

The spelling of 6143999963 in words is "six billion, one hundred forty-three million, nine hundred ninety-nine thousand, nine hundred sixty-three".