33203806928069 has 2 divisors, whose sum is σ = 33203806928070. Its totient is φ = 33203806928068.

The previous prime is 33203806928057. The next prime is 33203806928111. The reversal of 33203806928069 is 96082960830233.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30856491839044 + 2347315089025 = 5554862^2 + 1532095^2 .

It is a cyclic number.

It is not a de Polignac number, because 33203806928069 - 2²⁸ = 33203538492613 is a prime.

It is a super-2 number, since 2×33203806928069² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33203806927999 and 33203806928017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33203806988069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16601903464034 + 16601903464035.

It is an arithmetic number, because the mean of its divisors is an integer number (16601903464035).

Almost surely, 2^{33203806928069} is an apocalyptic number.

It is an amenable number.

33203806928069 is a deficient number, since it is larger than the sum of its proper divisors (1).

33203806928069 is an equidigital number, since it uses as much as digits as its factorization.

33203806928069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 33203806928069 in words is "thirty-three trillion, two hundred three billion, eight hundred six million, nine hundred twenty-eight thousand, sixty-nine".