9946558938 has 16 divisors (see below), whose sum is σ = 20940124320. Its totient is φ = 3141018576.

The previous prime is 9946558907. The next prime is 9946558943. The reversal of 9946558938 is 8398556499.

9946558938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43625145 + ... + 43625372.

It is an arithmetic number, because the mean of its divisors is an integer number (1308757770).

Almost surely, 2^9946558938 is an apocalyptic number.

9946558938 is an abundant number, since it is smaller than the sum of its proper divisors (10993565382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9946558938 is a wasteful number, since it uses less digits than its factorization.

9946558938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87250541.

The product of its digits is 83980800, while the sum is 66.

The square root of 9946558938 is about 99732.4367395082. The cubic root of 9946558938 is about 2150.5899904541.

The spelling of 9946558938 in words is "nine billion, nine hundred forty-six million, five hundred fifty-eight thousand, nine hundred thirty-eight".