9938331634 has 64 divisors (see below), whose sum is σ = 19596764160. Its totient is φ = 3662176320.

The previous prime is 9938331587. The next prime is 9938331643. The reversal of 9938331634 is 4361338399.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1995972 + ... + 2000944.

It is an arithmetic number, because the mean of its divisors is an integer number (306199440).

Almost surely, 2^9938331634 is an apocalyptic number.

9938331634 is a deficient number, since it is larger than the sum of its proper divisors (9658432526).

9938331634 is a wasteful number, since it uses less digits than its factorization.

9938331634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695.

The product of its digits is 1259712, while the sum is 49.

The square root of 9938331634 is about 99691.1813251303. The cubic root of 9938331634 is about 2149.9968728276.

The spelling of 9938331634 in words is "nine billion, nine hundred thirty-eight million, three hundred thirty-one thousand, six hundred thirty-four".