9938837612 has 24 divisors (see below), whose sum is σ = 18980075520. Its totient is φ = 4516241360.

The previous prime is 9938837611. The next prime is 9938837627. The reversal of 9938837612 is 2167388399.

It is not an unprimeable number, because it can be changed into a prime (9938837611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114173 + ... + 181419.

It is an arithmetic number, because the mean of its divisors is an integer number (790836480).

Almost surely, 2^9938837612 is an apocalyptic number.

It is an amenable number.

9938837612 is a deficient number, since it is larger than the sum of its proper divisors (9041237908).

9938837612 is a wasteful number, since it uses less digits than its factorization.

9938837612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70621 (or 70619 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 9938837612 is about 99693.7190198059. The cubic root of 9938837612 is about 2150.0333589199.

The spelling of 9938837612 in words is "nine billion, nine hundred thirty-eight million, eight hundred thirty-seven thousand, six hundred twelve".