98938688683989 has 64 divisors (see below), whose sum is σ = 166456710862848. Its totient is φ = 50775762643200.

The previous prime is 98938688683889. The next prime is 98938688683993.

98938688683989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98938688683989 - 2³⁹ = 98388932870101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98938688683893 and 98938688683902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98938688683589) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 720318459 + ... + 720455799.

It is an arithmetic number, because the mean of its divisors is an integer number (2600886107232).

Almost surely, 2^{98938688683989} is an apocalyptic number.

It is an amenable number.

98938688683989 is a deficient number, since it is larger than the sum of its proper divisors (67518022178859).

98938688683989 is a wasteful number, since it uses less digits than its factorization.

98938688683989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175018.

The product of its digits is 557256278016, while the sum is 102.

The spelling of 98938688683989 in words is "ninety-eight trillion, nine hundred thirty-eight billion, six hundred eighty-eight million, six hundred eighty-three thousand, nine hundred eighty-nine".