98656065689 has 2 divisors, whose sum is σ = 98656065690. Its totient is φ = 98656065688.

The previous prime is 98656065679. The next prime is 98656065691.

98656065689 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., 98448475225 + 207590464 = 313765^2 + 14408^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98656065689 - 2³² = 94361098393 is a prime.

It is a super-3 number, since 3×98656065689³ (a number of 34 digits) contains 333 as substring.

Together with 98656065691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98656065619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49328032844 + 49328032845.

It is an arithmetic number, because the mean of its divisors is an integer number (49328032845).

Almost surely, 2^98656065689 is an apocalyptic number.

It is an amenable number.

98656065689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98656065689 is an equidigital number, since it uses as much as digits as its factorization.

98656065689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 98656065689 in words is "ninety-eight billion, six hundred fifty-six million, sixty-five thousand, six hundred eighty-nine".