98195116321 has 9 divisors (see below), whose sum is σ = 104316734361. Its totient is φ = 92413919232.

The previous prime is 98195116319. The next prime is 98195116337. The reversal of 98195116321 is 12361159189.

The square root of 98195116321 is 313361.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 12064605921 + 86130510400 = 109839^2 + 293480^2 .

It is not a de Polignac number, because 98195116321 - 2¹ = 98195116319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98195116391) 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 in 8 ways as a sum of consecutive naturals, for example, 5317921 + ... + 5336353.

Almost surely, 2^98195116321 is an apocalyptic number.

98195116321 is the 313361-st square number.

98195116321 is the 156681-st centered octagonal number.

It is an amenable number.

98195116321 is a deficient number, since it is larger than the sum of its proper divisors (6121618040).

98195116321 is an frugal number, since it uses more digits than its factorization.

98195116321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36900 (or 18450 counting only the distinct ones).

The product of its digits is 116640, while the sum is 46.

The spelling of 98195116321 in words is "ninety-eight billion, one hundred ninety-five million, one hundred sixteen thousand, three hundred twenty-one".