9198881285 has 16 divisors (see below), whose sum is σ = 12187264320. Its totient is φ = 6609488640.

The previous prime is 9198881273. The next prime is 9198881291. The reversal of 9198881285 is 5821888919.

It is not a de Polignac number, because 9198881285 - 2⁴ = 9198881269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1002980 + ... + 1012109.

It is an arithmetic number, because the mean of its divisors is an integer number (761704020).

Almost surely, 2^9198881285 is an apocalyptic number.

It is an amenable number.

9198881285 is a deficient number, since it is larger than the sum of its proper divisors (2988383035).

9198881285 is a wasteful number, since it uses less digits than its factorization.

9198881285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015188.

The product of its digits is 3317760, while the sum is 59.

The square root of 9198881285 is about 95910.7985838925. The cubic root of 9198881285 is about 2095.2941705803.

The spelling of 9198881285 in words is "nine billion, one hundred ninety-eight million, eight hundred eighty-one thousand, two hundred eighty-five".