98656515841 has 4 divisors (see below), whose sum is σ = 106245478612. Its totient is φ = 91067553072.

The previous prime is 98656515827. The next prime is 98656515863. The reversal of 98656515841 is 14851565689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14851565689 = 121867².

It can be written as a sum of positive squares in 2 ways, for example, as 56187961600 + 42468554241 = 237040^2 + 206079^2 .

It is a cyclic number.

It is not a de Polignac number, because 98656515841 - 2²³ = 98648127233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98656515821) 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, 3794481366 + ... + 3794481391.

It is an arithmetic number, because the mean of its divisors is an integer number (26561369653).

Almost surely, 2^98656515841 is an apocalyptic number.

It is an amenable number.

98656515841 is a deficient number, since it is larger than the sum of its proper divisors (7588962771).

98656515841 is a wasteful number, since it uses less digits than its factorization.

98656515841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588962770.

The product of its digits is 10368000, while the sum is 58.

The spelling of 98656515841 in words is "ninety-eight billion, six hundred fifty-six million, five hundred fifteen thousand, eight hundred forty-one".