9839801963 has 2 divisors, whose sum is σ = 9839801964. Its totient is φ = 9839801962.

The previous prime is 9839801957. The next prime is 9839801989. The reversal of 9839801963 is 3691089389.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9839801963 - 2⁶ = 9839801899 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 9839801899 and 9839801908.

It is not a weakly prime, because it can be changed into another prime (9839801953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4919900981 + 4919900982.

It is an arithmetic number, because the mean of its divisors is an integer number (4919900982).

Almost surely, 2^9839801963 is an apocalyptic number.

9839801963 is a deficient number, since it is larger than the sum of its proper divisors (1).

9839801963 is an equidigital number, since it uses as much as digits as its factorization.

9839801963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 9839801963 is about 99195.7759332523. The cubic root of 9839801963 is about 2142.8681636066.

The spelling of 9839801963 in words is "nine billion, eight hundred thirty-nine million, eight hundred one thousand, nine hundred sixty-three".