9938872610 has 16 divisors (see below), whose sum is σ = 17980786296. Its totient is φ = 3955367808.

The previous prime is 9938872609. The next prime is 9938872613. The reversal of 9938872610 is 162788399.

It can be written as a sum of positive squares in 4 ways, for example, as 9934706929 + 4165681 = 99673^2 + 2041^2 .

It is not an unprimeable number, because it can be changed into a prime (9938872613) 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, 2520587 + ... + 2524526.

Almost surely, 2^9938872610 is an apocalyptic number.

9938872610 is a deficient number, since it is larger than the sum of its proper divisors (8041913686).

9938872610 is a wasteful number, since it uses less digits than its factorization.

9938872610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045317.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 9938872610 is about 99693.8945472590. The cubic root of 9938872610 is about 2150.0358825812.

The spelling of 9938872610 in words is "nine billion, nine hundred thirty-eight million, eight hundred seventy-two thousand, six hundred ten".