33690211073 has 2 divisors, whose sum is σ = 33690211074. Its totient is φ = 33690211072.

The previous prime is 33690211067. The next prime is 33690211081. The reversal of 33690211073 is 37011209633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19883256064 + 13806955009 = 141008^2 + 117503^2 .

It is an emirp because it is prime and its reverse (37011209633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33690211073 - 2³² = 29395243777 is a prime.

It is a super-3 number, since 3×33690211073³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (33690211063) 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, 16845105536 + 16845105537.

It is an arithmetic number, because the mean of its divisors is an integer number (16845105537).

Almost surely, 2^33690211073 is an apocalyptic number.

It is an amenable number.

33690211073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33690211073 is an equidigital number, since it uses as much as digits as its factorization.

33690211073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 33690211073 in words is "thirty-three billion, six hundred ninety million, two hundred eleven thousand, seventy-three".