9901842063 has 32 divisors (see below), whose sum is σ = 13651545600. Its totient is φ = 6379968000.

The previous prime is 9901842043. The next prime is 9901842113. The reversal of 9901842063 is 3602481099.

9901842063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 99508²-1.

It is not a de Polignac number, because 9901842063 - 2⁵ = 9901842031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901842023) 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 31 ways as a sum of consecutive naturals, for example, 12239203 + ... + 12240011.

It is an arithmetic number, because the mean of its divisors is an integer number (426610800).

Almost surely, 2^9901842063 is an apocalyptic number.

9901842063 is a deficient number, since it is larger than the sum of its proper divisors (3749703537).

9901842063 is a wasteful number, since it uses less digits than its factorization.

9901842063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 9901842063 is about 99507.9999949753. Note that the first 5 decimals coincide. The cubic root of 9901842063 is about 2147.3623369015.

The spelling of 9901842063 in words is "nine billion, nine hundred one million, eight hundred forty-two thousand, sixty-three".