996443963 has 2 divisors, whose sum is σ = 996443964. Its totient is φ = 996443962.

The previous prime is 996443909. The next prime is 996443969. The reversal of 996443963 is 369344699.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (369344699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996443963 - 2¹⁰ = 996442939 is a prime.

It is not a weakly prime, because it can be changed into another prime (996443969) 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, 498221981 + 498221982.

It is an arithmetic number, because the mean of its divisors is an integer number (498221982).

Almost surely, 2^996443963 is an apocalyptic number.

996443963 is a deficient number, since it is larger than the sum of its proper divisors (1).

996443963 is an equidigital number, since it uses as much as digits as its factorization.

996443963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 53.

The square root of 996443963 is about 31566.5006454627. The cubic root of 996443963 is about 998.8132465066.

The spelling of 996443963 in words is "nine hundred ninety-six million, four hundred forty-three thousand, nine hundred sixty-three".