98127472189 has 2 divisors, whose sum is σ = 98127472190. Its totient is φ = 98127472188.

The previous prime is 98127472187. The next prime is 98127472193.

98127472189 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., 58976122500 + 39151349689 = 242850^2 + 197867^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98127472189 - 2¹ = 98127472187 is a prime.

Together with 98127472187, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98127472187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49063736094 + 49063736095.

It is an arithmetic number, because the mean of its divisors is an integer number (49063736095).

Almost surely, 2^98127472189 is an apocalyptic number.

It is an amenable number.

98127472189 is a deficient number, since it is larger than the sum of its proper divisors (1).

98127472189 is an equidigital number, since it uses as much as digits as its factorization.

98127472189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 58.

The spelling of 98127472189 in words is "ninety-eight billion, one hundred twenty-seven million, four hundred seventy-two thousand, one hundred eighty-nine".