1338003558833 has 2 divisors, whose sum is σ = 1338003558834. Its totient is φ = 1338003558832.

The previous prime is 1338003558823. The next prime is 1338003558923. The reversal of 1338003558833 is 3388553008331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748107364624 + 589896194209 = 864932^2 + 768047^2 .

It is an emirp because it is prime and its reverse (3388553008331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1338003558833 - 2⁶ = 1338003558769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1338003558823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669001779416 + 669001779417.

It is an arithmetic number, because the mean of its divisors is an integer number (669001779417).

Almost surely, 2^{1338003558833} is an apocalyptic number.

It is an amenable number.

1338003558833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338003558833 is an equidigital number, since it uses as much as digits as its factorization.

1338003558833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1338003558833 in words is "one trillion, three hundred thirty-eight billion, three million, five hundred fifty-eight thousand, eight hundred thirty-three".