89356198069 has 2 divisors, whose sum is σ = 89356198070. Its totient is φ = 89356198068.

The previous prime is 89356198049. The next prime is 89356198109. The reversal of 89356198069 is 96089165398.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46866621169 + 42489576900 = 216487^2 + 206130^2 .

It is a cyclic number.

It is not a de Polignac number, because 89356198069 - 2⁵ = 89356198037 is a prime.

It is a super-2 number, since 2×89356198069² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89356198069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89356198049) 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, 44678099034 + 44678099035.

It is an arithmetic number, because the mean of its divisors is an integer number (44678099035).

Almost surely, 2^89356198069 is an apocalyptic number.

It is an amenable number.

89356198069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89356198069 is an equidigital number, since it uses as much as digits as its factorization.

89356198069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 89356198069 in words is "eighty-nine billion, three hundred fifty-six million, one hundred ninety-eight thousand, sixty-nine".