1963317996 has 36 divisors (see below), whose sum is σ = 5178609072. Its totient is φ = 625985184.

The previous prime is 1963317971. The next prime is 1963318103. The reversal of 1963317996 is 6997133691.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1184751 + ... + 1186406.

It is an arithmetic number, because the mean of its divisors is an integer number (143850252).

Almost surely, 2^1963317996 is an apocalyptic number.

It is an amenable number.

1963317996 is an abundant number, since it is smaller than the sum of its proper divisors (3215291076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963317996 is a wasteful number, since it uses less digits than its factorization.

1963317996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371190 (or 2371185 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 1963317996 is about 44309.3443417977. The cubic root of 1963317996 is about 1252.1707339625.

The spelling of 1963317996 in words is "one billion, nine hundred sixty-three million, three hundred seventeen thousand, nine hundred ninety-six".