98657475689 has 2 divisors, whose sum is σ = 98657475690. Its totient is φ = 98657475688.

The previous prime is 98657475673. The next prime is 98657475733.

98657475689 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52044665689 + 46612810000 = 228133^2 + 215900^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98657475689 - 2⁴ = 98657475673 is a prime.

It is not a weakly prime, because it can be changed into another prime (98657475619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49328737844 + 49328737845.

It is an arithmetic number, because the mean of its divisors is an integer number (49328737845).

Almost surely, 2^98657475689 is an apocalyptic number.

It is an amenable number.

98657475689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98657475689 is an equidigital number, since it uses as much as digits as its factorization.

98657475689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 914457600, while the sum is 74.

The spelling of 98657475689 in words is "ninety-eight billion, six hundred fifty-seven million, four hundred seventy-five thousand, six hundred eighty-nine".