89798633189 has 2 divisors, whose sum is σ = 89798633190. Its totient is φ = 89798633188.

The previous prime is 89798633173. The next prime is 89798633209. The reversal of 89798633189 is 98133689798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89540388289 + 258244900 = 299233^2 + 16070^2 .

It is a cyclic number.

It is not a de Polignac number, because 89798633189 - 2⁴ = 89798633173 is a prime.

It is a super-2 number, since 2×89798633189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89798633159) by changing a digit.

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 as a sum of consecutive naturals, namely, 44899316594 + 44899316595.

It is an arithmetic number, because the mean of its divisors is an integer number (44899316595).

Almost surely, 2^89798633189 is an apocalyptic number.

It is an amenable number.

89798633189 is a deficient number, since it is larger than the sum of its proper divisors (1).

89798633189 is an equidigital number, since it uses as much as digits as its factorization.

89798633189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 71.

The spelling of 89798633189 in words is "eighty-nine billion, seven hundred ninety-eight million, six hundred thirty-three thousand, one hundred eighty-nine".