98135090825 has 6 divisors (see below), whose sum is σ = 121687512654. Its totient is φ = 78508072640.

The previous prime is 98135090813. The next prime is 98135090843. The reversal of 98135090825 is 52809053189.

It can be written as a sum of positive squares in 3 ways, for example, as 629407744 + 97505683081 = 25088^2 + 312259^2 .

It is not a de Polignac number, because 98135090825 - 2⁸ = 98135090569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1962701792 + ... + 1962701841.

It is an arithmetic number, because the mean of its divisors is an integer number (20281252109).

Almost surely, 2^98135090825 is an apocalyptic number.

It is an amenable number.

98135090825 is a deficient number, since it is larger than the sum of its proper divisors (23552421829).

98135090825 is a wasteful number, since it uses less digits than its factorization.

98135090825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925403643 (or 3925403638 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 98135090825 in words is "ninety-eight billion, one hundred thirty-five million, ninety thousand, eight hundred twenty-five".