33530209919 has 2 divisors, whose sum is σ = 33530209920. Its totient is φ = 33530209918.

The previous prime is 33530209903. The next prime is 33530210017. The reversal of 33530209919 is 91990203533.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33530209919 - 2⁴ = 33530209903 is a prime.

It is a super-2 number, since 2×33530209919² (a number of 22 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 33530209919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33530209019) 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, 16765104959 + 16765104960.

It is an arithmetic number, because the mean of its divisors is an integer number (16765104960).

Almost surely, 2^33530209919 is an apocalyptic number.

33530209919 is a deficient number, since it is larger than the sum of its proper divisors (1).

33530209919 is an equidigital number, since it uses as much as digits as its factorization.

33530209919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196830, while the sum is 44.

The spelling of 33530209919 in words is "thirty-three billion, five hundred thirty million, two hundred nine thousand, nine hundred nineteen".