99197441889 has 32 divisors (see below), whose sum is σ = 162859253760. Its totient is φ = 52300233792.

The previous prime is 99197441809. The next prime is 99197441909. The reversal of 99197441889 is 98814479199.

It is not a de Polignac number, because 99197441889 - 2¹⁶ = 99197376353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99197441809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530104 + ... + 692390.

It is an arithmetic number, because the mean of its divisors is an integer number (5089351680).

Almost surely, 2^99197441889 is an apocalyptic number.

It is an amenable number.

99197441889 is a deficient number, since it is larger than the sum of its proper divisors (63661811871).

99197441889 is a wasteful number, since it uses less digits than its factorization.

99197441889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164549.

The product of its digits is 47029248, while the sum is 69.

The spelling of 99197441889 in words is "ninety-nine billion, one hundred ninety-seven million, four hundred forty-one thousand, eight hundred eighty-nine".