1338933733 has 2 divisors, whose sum is σ = 1338933734. Its totient is φ = 1338933732.

The previous prime is 1338933731. The next prime is 1338933749. The reversal of 1338933733 is 3373398331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712783204 + 626150529 = 26698^2 + 25023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338933733 - 2¹ = 1338933731 is a prime.

Together with 1338933731, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1338933733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338933731) 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, 669466866 + 669466867.

It is an arithmetic number, because the mean of its divisors is an integer number (669466867).

Almost surely, 2^1338933733 is an apocalyptic number.

It is an amenable number.

1338933733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338933733 is an equidigital number, since it uses as much as digits as its factorization.

1338933733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 43.

The square root of 1338933733 is about 36591.4434396896. The cubic root of 1338933733 is about 1102.1812731071.

The spelling of 1338933733 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-three thousand, seven hundred thirty-three".