9994994999 has 8 divisors (see below), whose sum is σ = 10907624592. Its totient is φ = 9083031040.

The previous prime is 9994994987. The next prime is 9994995013.

It is a happy number.

9994994999 is nontrivially palindromic in base 10.

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 9994994999 - 2¹² = 9994990903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994994959) 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, 134744 + ... + 195309.

It is an arithmetic number, because the mean of its divisors is an integer number (1363453074).

Almost surely, 2^9994994999 is an apocalyptic number.

9994994999 is a deficient number, since it is larger than the sum of its proper divisors (912629593).

9994994999 is a wasteful number, since it uses less digits than its factorization.

9994994999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332817.

The product of its digits is 688747536, while the sum is 80.

The square root of 9994994999 is about 99974.9718629618. The cubic root of 9994994999 is about 2154.0751984574.

The spelling of 9994994999 in words is "nine billion, nine hundred ninety-four million, nine hundred ninety-four thousand, nine hundred ninety-nine".