98989729413121 has 8 divisors (see below), whose sum is σ = 99189941788584. Its totient is φ = 98789616184320.

The previous prime is 98989729413089. The next prime is 98989729413131. The reversal of 98989729413121 is 12131492798989.

It can be written as a sum of positive squares in 4 ways, for example, as 60171359280400 + 38818370132721 = 7757020^2 + 6230439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98989729413121 - 2⁵ = 98989729413089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98989729413131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22787650 + ... + 26781643.

It is an arithmetic number, because the mean of its divisors is an integer number (12398742723573).

Almost surely, 2^{98989729413121} is an apocalyptic number.

It is an amenable number.

98989729413121 is a deficient number, since it is larger than the sum of its proper divisors (200212375463).

98989729413121 is a wasteful number, since it uses less digits than its factorization.

98989729413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49573331.

The product of its digits is 141087744, while the sum is 73.

The spelling of 98989729413121 in words is "ninety-eight trillion, nine hundred eighty-nine billion, seven hundred twenty-nine million, four hundred thirteen thousand, one hundred twenty-one".