9931874905 has 16 divisors (see below), whose sum is σ = 12615958080. Its totient is φ = 7493105088.

The previous prime is 9931874873. The next prime is 9931875001. The reversal of 9931874905 is 5094781399.

It is a cyclic number.

It is not a de Polignac number, because 9931874905 - 2⁵ = 9931874873 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 790227 + ... + 802696.

It is an arithmetic number, because the mean of its divisors is an integer number (788497380).

Almost surely, 2^9931874905 is an apocalyptic number.

It is an amenable number.

9931874905 is a deficient number, since it is larger than the sum of its proper divisors (2684083175).

9931874905 is a wasteful number, since it uses less digits than its factorization.

9931874905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593000.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 9931874905 is about 99658.7924119091. The cubic root of 9931874905 is about 2149.5311690916.

The spelling of 9931874905 in words is "nine billion, nine hundred thirty-one million, eight hundred seventy-four thousand, nine hundred five".