99474230189 has 2 divisors, whose sum is σ = 99474230190. Its totient is φ = 99474230188.

The previous prime is 99474230179. The next prime is 99474230197. The reversal of 99474230189 is 98103247499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96007022500 + 3467207689 = 309850^2 + 58883^2 .

It is a cyclic number.

It is not a de Polignac number, because 99474230189 - 2⁴ = 99474230173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99474230179) 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 as a sum of consecutive naturals, namely, 49737115094 + 49737115095.

It is an arithmetic number, because the mean of its divisors is an integer number (49737115095).

Almost surely, 2^99474230189 is an apocalyptic number.

It is an amenable number.

99474230189 is a deficient number, since it is larger than the sum of its proper divisors (1).

99474230189 is an equidigital number, since it uses as much as digits as its factorization.

99474230189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 99474230189 in words is "ninety-nine billion, four hundred seventy-four million, two hundred thirty thousand, one hundred eighty-nine".