30333020189 has 2 divisors, whose sum is σ = 30333020190. Its totient is φ = 30333020188.

The previous prime is 30333020183. The next prime is 30333020239. The reversal of 30333020189 is 98102033303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24539222500 + 5793797689 = 156650^2 + 76117^2 .

It is a cyclic number.

It is not a de Polignac number, because 30333020189 - 2¹² = 30333016093 is a prime.

It is a super-2 number, since 2×30333020189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30333020183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166510094 + 15166510095.

It is an arithmetic number, because the mean of its divisors is an integer number (15166510095).

Almost surely, 2^30333020189 is an apocalyptic number.

It is an amenable number.

30333020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30333020189 is an equidigital number, since it uses as much as digits as its factorization.

30333020189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 30333020189 in words is "thirty billion, three hundred thirty-three million, twenty thousand, one hundred eighty-nine".