98358685389 has 36 divisors (see below), whose sum is σ = 149928637248. Its totient is φ = 62106806160.

The previous prime is 98358685351. The next prime is 98358685393.

98358685389 is a `hidden beast` number, since 9 + 8 + 3 + 5 + 86 + 8 + 538 + 9 = 666.

98358685389 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98358685389 - 2²⁴ = 98341908173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98358685189) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 285522 + ... + 527484.

It is an arithmetic number, because the mean of its divisors is an integer number (4164684368).

Almost surely, 2^98358685389 is an apocalyptic number.

It is an amenable number.

98358685389 is a deficient number, since it is larger than the sum of its proper divisors (51569951859).

98358685389 is a wasteful number, since it uses less digits than its factorization.

98358685389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242078 (or 242044 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

The spelling of 98358685389 in words is "ninety-eight billion, three hundred fifty-eight million, six hundred eighty-five thousand, three hundred eighty-nine".