33130020169 has 2 divisors, whose sum is σ = 33130020170. Its totient is φ = 33130020168.

The previous prime is 33130020163. The next prime is 33130020233. The reversal of 33130020169 is 96102003133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32251490569 + 878529600 = 179587^2 + 29640^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130020169 - 2⁷ = 33130020041 is a prime.

It is a super-2 number, since 2×33130020169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33130020163) 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, 16565010084 + 16565010085.

It is an arithmetic number, because the mean of its divisors is an integer number (16565010085).

Almost surely, 2^33130020169 is an apocalyptic number.

It is an amenable number.

33130020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130020169 is an equidigital number, since it uses as much as digits as its factorization.

33130020169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 33130020169 in words is "thirty-three billion, one hundred thirty million, twenty thousand, one hundred sixty-nine".