33032213309 has 2 divisors, whose sum is σ = 33032213310. Its totient is φ = 33032213308.

The previous prime is 33032213297. The next prime is 33032213359. The reversal of 33032213309 is 90331223033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27526128100 + 5506085209 = 165910^2 + 74203^2 .

It is an emirp because it is prime and its reverse (90331223033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33032213309 - 2¹⁶ = 33032147773 is a prime.

It is a super-2 number, since 2×33032213309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33032213359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16516106654 + 16516106655.

It is an arithmetic number, because the mean of its divisors is an integer number (16516106655).

Almost surely, 2^33032213309 is an apocalyptic number.

It is an amenable number.

33032213309 is a deficient number, since it is larger than the sum of its proper divisors (1).

33032213309 is an equidigital number, since it uses as much as digits as its factorization.

33032213309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 33032213309 in words is "thirty-three billion, thirty-two million, two hundred thirteen thousand, three hundred nine".