33436834149281 has 2 divisors, whose sum is σ = 33436834149282. Its totient is φ = 33436834149280.

The previous prime is 33436834149223. The next prime is 33436834149403. The reversal of 33436834149281 is 18294143863433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24912915968656 + 8523918180625 = 4991284^2 + 2919575^2 .

It is an emirp because it is prime and its reverse (18294143863433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33436834149281 - 2¹⁰ = 33436834148257 is a prime.

It is a super-2 number, since 2×33436834149281² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33436834149281.

It is not a weakly prime, because it can be changed into another prime (33436834142281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16718417074640 + 16718417074641.

It is an arithmetic number, because the mean of its divisors is an integer number (16718417074641).

Almost surely, 2^{33436834149281} is an apocalyptic number.

It is an amenable number.

33436834149281 is a deficient number, since it is larger than the sum of its proper divisors (1).

33436834149281 is an equidigital number, since it uses as much as digits as its factorization.

33436834149281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 59.

The spelling of 33436834149281 in words is "thirty-three trillion, four hundred thirty-six billion, eight hundred thirty-four million, one hundred forty-nine thousand, two hundred eighty-one".