9999900063 has 16 divisors (see below), whose sum is σ = 14832966400. Its totient is φ = 6658365240.

The previous prime is 9999900059. The next prime is 9999900077. The reversal of 9999900063 is 3600099999.

9999900063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9999900063 - 2² = 9999900059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9999899982 and 9999900009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999900763) 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 in 15 ways as a sum of consecutive naturals, for example, 206443 + ... + 250236.

It is an arithmetic number, because the mean of its divisors is an integer number (927060400).

Almost surely, 2^9999900063 is an apocalyptic number.

9999900063 is a deficient number, since it is larger than the sum of its proper divisors (4833066337).

9999900063 is a wasteful number, since it uses less digits than its factorization.

9999900063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457499 (or 457493 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 9999900063 is about 99999.5003137516. The cubic root of 9999900063 is about 2154.4275130833.

The spelling of 9999900063 in words is "nine billion, nine hundred ninety-nine million, nine hundred thousand, sixty-three".