98565918673369 has 15 divisors (see below), whose sum is σ = 114987297302783. Its totient is φ = 84484656171048.

The previous prime is 98565918673349. The next prime is 98565918673403. The reversal of 98565918673369 is 96337681956589.

The square root of 98565918673369 is 9928037.

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

It can be written as a sum of positive squares in only one way, i.e., 51766801857225 + 46799116816144 = 7194915^2 + 6840988^2 .

It is not a de Polignac number, because 98565918673369 - 2⁵ = 98565918673337 is a prime.

It is a super-2 number, since 2×98565918673369² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98565918673319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 486372507 + ... + 486575119.

Almost surely, 2^{98565918673369} is an apocalyptic number.

98565918673369 is the 9928037-th square number.

98565918673369 is the 4964019-th centered octagonal number.

It is an amenable number.

98565918673369 is a deficient number, since it is larger than the sum of its proper divisors (16421378629414).

98565918673369 is an frugal number, since it uses more digits than its factorization.

98565918673369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405254 (or 202620 counting only the distinct ones).

The product of its digits is 15872371200, while the sum is 85.

The spelling of 98565918673369 in words is "ninety-eight trillion, five hundred sixty-five billion, nine hundred eighteen million, six hundred seventy-three thousand, three hundred sixty-nine".