9930334991 has 8 divisors (see below), whose sum is σ = 9972234000. Its totient is φ = 9888524800.

The previous prime is 9930334979. The next prime is 9930334993. The reversal of 9930334991 is 1994330399.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9930334991 - 2²² = 9926140687 is a prime.

It is a super-2 number, since 2×9930334991² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930334993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206816 + ... + 250266.

It is an arithmetic number, because the mean of its divisors is an integer number (1246529250).

Almost surely, 2^9930334991 is an apocalyptic number.

9930334991 is a deficient number, since it is larger than the sum of its proper divisors (41899009).

9930334991 is a wasteful number, since it uses less digits than its factorization.

9930334991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44409.

The product of its (nonzero) digits is 708588, while the sum is 50.

The square root of 9930334991 is about 99651.0661809496. The cubic root of 9930334991 is about 2149.4200700876.

The spelling of 9930334991 in words is "nine billion, nine hundred thirty million, three hundred thirty-four thousand, nine hundred ninety-one".