9931998059 has 8 divisors (see below), whose sum is σ = 10087245120. Its totient is φ = 9776957256.

The previous prime is 9931998053. The next prime is 9931998061. The reversal of 9931998059 is 9508991399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9931998059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9931997992 and 9931998010.

It is not an unprimeable number, because it can be changed into a prime (9931998053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46952 + ... + 148554.

It is an arithmetic number, because the mean of its divisors is an integer number (1260905640).

Almost surely, 2^9931998059 is an apocalyptic number.

9931998059 is a deficient number, since it is larger than the sum of its proper divisors (155247061).

9931998059 is a wasteful number, since it uses less digits than its factorization.

9931998059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103129.

The product of its (nonzero) digits is 7085880, while the sum is 62.

The square root of 9931998059 is about 99659.4102882412. The cubic root of 9931998059 is about 2149.5400536936.

The spelling of 9931998059 in words is "nine billion, nine hundred thirty-one million, nine hundred ninety-eight thousand, fifty-nine".