2338448989 has 2 divisors, whose sum is σ = 2338448990. Its totient is φ = 2338448988.

The previous prime is 2338448927. The next prime is 2338448999. The reversal of 2338448989 is 9898448332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308033764 + 30415225 = 48042^2 + 5515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2338448989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2338448909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1169224494 + 1169224495.

It is an arithmetic number, because the mean of its divisors is an integer number (1169224495).

Almost surely, 2^2338448989 is an apocalyptic number.

It is an amenable number.

2338448989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2338448989 is an equidigital number, since it uses as much as digits as its factorization.

2338448989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 58.

The square root of 2338448989 is about 48357.5122292287. The cubic root of 2338448989 is about 1327.3210039985.

The spelling of 2338448989 in words is "two billion, three hundred thirty-eight million, four hundred forty-eight thousand, nine hundred eighty-nine".