9999030673 has 2 divisors, whose sum is σ = 9999030674. Its totient is φ = 9999030672.

The previous prime is 9999030653. The next prime is 9999030689. The reversal of 9999030673 is 3760309999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9980609409 + 18421264 = 99903^2 + 4292^2 .

It is an emirp because it is prime and its reverse (3760309999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9999030673 - 2⁹ = 9999030161 is a prime.

It is a super-2 number, since 2×9999030673² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9999030653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999515336 + 4999515337.

It is an arithmetic number, because the mean of its divisors is an integer number (4999515337).

Almost surely, 2^9999030673 is an apocalyptic number.

It is an amenable number.

9999030673 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999030673 is an equidigital number, since it uses as much as digits as its factorization.

9999030673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2480058, while the sum is 55.

The square root of 9999030673 is about 99995.1532475450. The cubic root of 9999030673 is about 2154.3650760587.

The spelling of 9999030673 in words is "nine billion, nine hundred ninety-nine million, thirty thousand, six hundred seventy-three".