2398998841 has 2 divisors, whose sum is σ = 2398998842. Its totient is φ = 2398998840.

The previous prime is 2398998821. The next prime is 2398998977. The reversal of 2398998841 is 1488998932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1715699241 + 683299600 = 41421^2 + 26140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398998841 - 2⁷ = 2398998713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2398998841.

It is not a weakly prime, because it can be changed into another prime (2398998821) 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 as a sum of consecutive naturals, namely, 1199499420 + 1199499421.

It is an arithmetic number, because the mean of its divisors is an integer number (1199499421).

Almost surely, 2^2398998841 is an apocalyptic number.

It is an amenable number.

2398998841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398998841 is an equidigital number, since it uses as much as digits as its factorization.

2398998841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 61.

The square root of 2398998841 is about 48979.5757535730. The cubic root of 2398998841 is about 1338.6797051541.

Subtracting from 2398998841 its reverse (1488998932), we obtain a palindrome (909999909).

The spelling of 2398998841 in words is "two billion, three hundred ninety-eight million, nine hundred ninety-eight thousand, eight hundred forty-one".