9991302001 has 4 divisors (see below), whose sum is σ = 9992889972. Its totient is φ = 9989714032.

The previous prime is 9991301987. The next prime is 9991302031. The reversal of 9991302001 is 1002031999.

9991302001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5889027600 + 4102274401 = 76740^2 + 64049^2 .

It is a cyclic number.

It is not a de Polignac number, because 9991302001 - 2²⁷ = 9857084273 is a prime.

It is a super-2 number, since 2×9991302001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9991302031) 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 3 ways as a sum of consecutive naturals, for example, 784510 + ... + 797143.

It is an arithmetic number, because the mean of its divisors is an integer number (2498222493).

Almost surely, 2^9991302001 is an apocalyptic number.

It is an amenable number.

9991302001 is a deficient number, since it is larger than the sum of its proper divisors (1587971).

9991302001 is a wasteful number, since it uses less digits than its factorization.

9991302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587970.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 9991302001 is about 99956.5005439866. The cubic root of 9991302001 is about 2153.8098664804.

The spelling of 9991302001 in words is "nine billion, nine hundred ninety-one million, three hundred two thousand, one".