98440025539 has 2 divisors, whose sum is σ = 98440025540. Its totient is φ = 98440025538.

The previous prime is 98440025521. The next prime is 98440025641. The reversal of 98440025539 is 93552004489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98440025539 - 2⁹ = 98440025027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98440025492 and 98440025501.

It is not a weakly prime, because it can be changed into another prime (98440025239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220012769 + 49220012770.

It is an arithmetic number, because the mean of its divisors is an integer number (49220012770).

Almost surely, 2^98440025539 is an apocalyptic number.

98440025539 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440025539 is an equidigital number, since it uses as much as digits as its factorization.

98440025539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 98440025539 in words is "ninety-eight billion, four hundred forty million, twenty-five thousand, five hundred thirty-nine".