9910999963 has 4 divisors (see below), whose sum is σ = 10432631560. Its totient is φ = 9389368368.

The previous prime is 9910999957. The next prime is 9910999981. The reversal of 9910999963 is 3699990199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9910999963 - 2⁹ = 9910999451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9910999895 and 9910999904.

It is not an unprimeable number, because it can be changed into a prime (9910999993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260815770 + ... + 260815807.

It is an arithmetic number, because the mean of its divisors is an integer number (2608157890).

Almost surely, 2^9910999963 is an apocalyptic number.

9910999963 is a deficient number, since it is larger than the sum of its proper divisors (521631597).

9910999963 is a wasteful number, since it uses less digits than its factorization.

9910999963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521631596.

The product of its (nonzero) digits is 9565938, while the sum is 64.

The square root of 9910999963 is about 99554.0052584526. The cubic root of 9910999963 is about 2148.0241420457.

The spelling of 9910999963 in words is "nine billion, nine hundred ten million, nine hundred ninety-nine thousand, nine hundred sixty-three".