9946556499 has 32 divisors (see below), whose sum is σ = 14831631360. Its totient is φ = 5876806400.

The previous prime is 9946556479. The next prime is 9946556507.

It is a happy number.

9946556499 is nontrivially palindromic in base 10.

9946556499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9946556499 - 2⁷ = 9946556371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9946556419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3187462 + ... + 3190580.

It is an arithmetic number, because the mean of its divisors is an integer number (463488480).

Almost surely, 2^9946556499 is an apocalyptic number.

9946556499 is a deficient number, since it is larger than the sum of its proper divisors (4885074861).

9946556499 is a wasteful number, since it uses less digits than its factorization.

9946556499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531.

The product of its digits is 94478400, while the sum is 66.

The square root of 9946556499 is about 99732.4245117905. The cubic root of 9946556499 is about 2150.5898146717.

The spelling of 9946556499 in words is "nine billion, nine hundred forty-six million, five hundred fifty-six thousand, four hundred ninety-nine".