1338933241 has 2 divisors, whose sum is σ = 1338933242. Its totient is φ = 1338933240.

The previous prime is 1338933217. The next prime is 1338933259. The reversal of 1338933241 is 1423398331.

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., 1334075625 + 4857616 = 36525^2 + 2204^2 .

It is an emirp because it is prime and its reverse (1423398331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338933241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1338933241.

It is not a weakly prime, because it can be changed into another prime (1338933041) 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, 669466620 + 669466621.

It is an arithmetic number, because the mean of its divisors is an integer number (669466621).

Almost surely, 2^1338933241 is an apocalyptic number.

It is an amenable number.

1338933241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338933241 is an equidigital number, since it uses as much as digits as its factorization.

1338933241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 1338933241 is about 36591.4367168058. The cubic root of 1338933241 is about 1102.1811381058.

The spelling of 1338933241 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-three thousand, two hundred forty-one".