33243312413 has 2 divisors, whose sum is σ = 33243312414. Its totient is φ = 33243312412.

The previous prime is 33243312373. The next prime is 33243312433. The reversal of 33243312413 is 31421334233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29819073124 + 3424239289 = 172682^2 + 58517^2 .

It is a cyclic number.

It is not a de Polignac number, because 33243312413 - 2¹² = 33243308317 is a prime.

It is a super-3 number, since 3×33243312413³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33243312433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621656206 + 16621656207.

It is an arithmetic number, because the mean of its divisors is an integer number (16621656207).

Almost surely, 2^33243312413 is an apocalyptic number.

It is an amenable number.

33243312413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243312413 is an equidigital number, since it uses as much as digits as its factorization.

33243312413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

Adding to 33243312413 its reverse (31421334233), we get a palindrome (64664646646).

The spelling of 33243312413 in words is "thirty-three billion, two hundred forty-three million, three hundred twelve thousand, four hundred thirteen".