98556265589 has 2 divisors, whose sum is σ = 98556265590. Its totient is φ = 98556265588.

The previous prime is 98556265531. The next prime is 98556265601.

98556265589 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62215324900 + 36340940689 = 249430^2 + 190633^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98556265589 - 2¹² = 98556261493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98556265889) 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, 49278132794 + 49278132795.

It is an arithmetic number, because the mean of its divisors is an integer number (49278132795).

Almost surely, 2^98556265589 is an apocalyptic number.

It is an amenable number.

98556265589 is a deficient number, since it is larger than the sum of its proper divisors (1).

98556265589 is an equidigital number, since it uses as much as digits as its factorization.

98556265589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280000, while the sum is 68.

The spelling of 98556265589 in words is "ninety-eight billion, five hundred fifty-six million, two hundred sixty-five thousand, five hundred eighty-nine".