9963438071 has 2 divisors, whose sum is σ = 9963438072. Its totient is φ = 9963438070.

The previous prime is 9963438019. The next prime is 9963438083. The reversal of 9963438071 is 1708343699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9963438071 - 2¹⁴ = 9963421687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9963438091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981719035 + 4981719036.

It is an arithmetic number, because the mean of its divisors is an integer number (4981719036).

Almost surely, 2^9963438071 is an apocalyptic number.

9963438071 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963438071 is an equidigital number, since it uses as much as digits as its factorization.

9963438071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 9963438071 is about 99817.0229519995. The cubic root of 9963438071 is about 2151.8058072507.

The spelling of 9963438071 in words is "nine billion, nine hundred sixty-three million, four hundred thirty-eight thousand, seventy-one".