33868442539 has 2 divisors, whose sum is σ = 33868442540. Its totient is φ = 33868442538.

The previous prime is 33868442537. The next prime is 33868442549. The reversal of 33868442539 is 93524486833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33868442539 - 2¹ = 33868442537 is a prime.

It is a super-2 number, since 2×33868442539² (a number of 22 digits) contains 22 as substring.

Together with 33868442537, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 33868442539.

It is not a weakly prime, because it can be changed into another prime (33868442537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934221269 + 16934221270.

It is an arithmetic number, because the mean of its divisors is an integer number (16934221270).

Almost surely, 2^33868442539 is an apocalyptic number.

33868442539 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868442539 is an equidigital number, since it uses as much as digits as its factorization.

33868442539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 55.

The spelling of 33868442539 in words is "thirty-three billion, eight hundred sixty-eight million, four hundred forty-two thousand, five hundred thirty-nine".