33668834851 has 2 divisors, whose sum is σ = 33668834852. Its totient is φ = 33668834850.

The previous prime is 33668834839. The next prime is 33668834873. The reversal of 33668834851 is 15843886633.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33668834851 is a prime.

It is a super-2 number, since 2×33668834851² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33668834792 and 33668834801.

It is not a weakly prime, because it can be changed into another prime (33668834831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16834417425 + 16834417426.

It is an arithmetic number, because the mean of its divisors is an integer number (16834417426).

Almost surely, 2^33668834851 is an apocalyptic number.

33668834851 is a deficient number, since it is larger than the sum of its proper divisors (1).

33668834851 is an equidigital number, since it uses as much as digits as its factorization.

33668834851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 55.

The spelling of 33668834851 in words is "thirty-three billion, six hundred sixty-eight million, eight hundred thirty-four thousand, eight hundred fifty-one".