98920943289 has 81 divisors (see below), whose sum is σ = 176767180941. Its totient is φ = 53140792320.

The previous prime is 98920943257. The next prime is 98920943291. The reversal of 98920943289 is 98234902989.

The square root of 98920943289 is 314517.

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 329967225 + 98590976064 = 18165^2 + 313992^2 .

It is not a de Polignac number, because 98920943289 - 2⁵ = 98920943257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (98920943299) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 112282129 + ... + 112283009.

Almost surely, 2^98920943289 is an apocalyptic number.

98920943289 is the 314517-th square number.

98920943289 is the 157259-th centered octagonal number.

It is an amenable number.

98920943289 is a deficient number, since it is larger than the sum of its proper divisors (77846237652).

98920943289 is an equidigital number, since it uses as much as digits as its factorization.

98920943289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 98920943289 in words is "ninety-eight billion, nine hundred twenty million, nine hundred forty-three thousand, two hundred eighty-nine".