2338561909 has 2 divisors, whose sum is σ = 2338561910. Its totient is φ = 2338561908.

The previous prime is 2338561891. The next prime is 2338561921. The reversal of 2338561909 is 9091658332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1460921284 + 877640625 = 38222^2 + 29625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2338561909 - 2¹⁷ = 2338430837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2338561609) 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, 1169280954 + 1169280955.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280955).

Almost surely, 2^2338561909 is an apocalyptic number.

It is an amenable number.

2338561909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2338561909 is an equidigital number, since it uses as much as digits as its factorization.

2338561909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2338561909 is about 48358.6797689929. The cubic root of 2338561909 is about 1327.3423683981.

The spelling of 2338561909 in words is "two billion, three hundred thirty-eight million, five hundred sixty-one thousand, nine hundred nine".