98240434181 has 4 divisors (see below), whose sum is σ = 99850933164. Its totient is φ = 96629935200.

The previous prime is 98240434163. The next prime is 98240434199. The reversal of 98240434181 is 18143404289.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98240434163) and next prime (98240434199).

It can be written as a sum of positive squares in 2 ways, for example, as 5621250625 + 92619183556 = 74975^2 + 304334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98240434181 is a prime.

It is a super-2 number, since 2×98240434181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98240434111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805249400 + ... + 805249521.

It is an arithmetic number, because the mean of its divisors is an integer number (24962733291).

Almost surely, 2^98240434181 is an apocalyptic number.

It is an amenable number.

98240434181 is a deficient number, since it is larger than the sum of its proper divisors (1610498983).

98240434181 is a wasteful number, since it uses less digits than its factorization.

98240434181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610498982.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 98240434181 in words is "ninety-eight billion, two hundred forty million, four hundred thirty-four thousand, one hundred eighty-one".