9931889650713 has 16 divisors (see below), whose sum is σ = 13854135649536. Its totient is φ = 6322323800960.

The previous prime is 9931889650699. The next prime is 9931889650721. The reversal of 9931889650713 is 3170569881399.

It is not a de Polignac number, because 9931889650713 - 2⁶ = 9931889650649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9931889650723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859005606 + ... + 859017167.

It is an arithmetic number, because the mean of its divisors is an integer number (865883478096).

Almost surely, 2^{9931889650713} is an apocalyptic number.

It is an amenable number.

9931889650713 is a deficient number, since it is larger than the sum of its proper divisors (3922245998823).

9931889650713 is a wasteful number, since it uses less digits than its factorization.

9931889650713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718022864.

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 9931889650713 in words is "nine trillion, nine hundred thirty-one billion, eight hundred eighty-nine million, six hundred fifty thousand, seven hundred thirteen".