9935696890 has 32 divisors (see below), whose sum is σ = 20464907904. Its totient is φ = 3402231360.

The previous prime is 9935696851. The next prime is 9935696909. The reversal of 9935696890 is 986965399.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33256 + ... + 144835.

It is an arithmetic number, because the mean of its divisors is an integer number (639528372).

Almost surely, 2^9935696890 is an apocalyptic number.

9935696890 is an abundant number, since it is smaller than the sum of its proper divisors (10529211014).

9935696890 is a wasteful number, since it uses less digits than its factorization.

9935696890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178902.

The product of its (nonzero) digits is 28343520, while the sum is 64.

The square root of 9935696890 is about 99677.9659202574. The cubic root of 9935696890 is about 2149.8068613237.

The spelling of 9935696890 in words is "nine billion, nine hundred thirty-five million, six hundred ninety-six thousand, eight hundred ninety".