9938851695 has 96 divisors (see below), whose sum is σ = 18622004544. Its totient is φ = 4885401600.

The previous prime is 9938851691. The next prime is 9938851711. The reversal of 9938851695 is 5961588399.

9938851695 is a `hidden beast` number, since 99 + 388 + 5 + 169 + 5 = 666.

It is not a de Polignac number, because 9938851695 - 2² = 9938851691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938851691) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 17405760 + ... + 17406330.

It is an arithmetic number, because the mean of its divisors is an integer number (193979214).

Almost surely, 2^9938851695 is an apocalyptic number.

9938851695 is a deficient number, since it is larger than the sum of its proper divisors (8683152849).

9938851695 is a wasteful number, since it uses less digits than its factorization.

9938851695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1030 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The square root of 9938851695 is about 99693.7896511112. The cubic root of 9938851695 is about 2150.0343744279.

The spelling of 9938851695 in words is "nine billion, nine hundred thirty-eight million, eight hundred fifty-one thousand, six hundred ninety-five".