33881903308769 has 2 divisors, whose sum is σ = 33881903308770. Its totient is φ = 33881903308768.

The previous prime is 33881903308727. The next prime is 33881903308817. The reversal of 33881903308769 is 96780330918833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19063353145600 + 14818550163169 = 4366160^2 + 3849487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33881903308769 is a prime.

It is a super-2 number, since 2×33881903308769² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33881903308699 and 33881903308708.

It is not a weakly prime, because it can be changed into another prime (33881903308969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16940951654384 + 16940951654385.

It is an arithmetic number, because the mean of its divisors is an integer number (16940951654385).

Almost surely, 2^{33881903308769} is an apocalyptic number.

It is an amenable number.

33881903308769 is a deficient number, since it is larger than the sum of its proper divisors (1).

33881903308769 is an equidigital number, since it uses as much as digits as its factorization.

33881903308769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 33881903308769 in words is "thirty-three trillion, eight hundred eighty-one billion, nine hundred three million, three hundred eight thousand, seven hundred sixty-nine".