98981473831 has 4 divisors (see below), whose sum is σ = 99150097032. Its totient is φ = 98812850632.

The previous prime is 98981473823. The next prime is 98981473847. The reversal of 98981473831 is 13837418989.

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

It is a cyclic number.

It is not a de Polignac number, because 98981473831 - 2³ = 98981473823 is a prime.

It is a super-2 number, since 2×98981473831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98981473831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98981470831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84310720 + ... + 84311893.

It is an arithmetic number, because the mean of its divisors is an integer number (24787524258).

Almost surely, 2^98981473831 is an apocalyptic number.

98981473831 is a deficient number, since it is larger than the sum of its proper divisors (168623201).

98981473831 is a wasteful number, since it uses less digits than its factorization.

98981473831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168623200.

The product of its digits is 10450944, while the sum is 61.

The spelling of 98981473831 in words is "ninety-eight billion, nine hundred eighty-one million, four hundred seventy-three thousand, eight hundred thirty-one".