33085831189 has 2 divisors, whose sum is σ = 33085831190. Its totient is φ = 33085831188.

The previous prime is 33085831133. The next prime is 33085831201. The reversal of 33085831189 is 98113858033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30575320164 + 2510511025 = 174858^2 + 50105^2 .

It is a cyclic number.

It is not a de Polignac number, because 33085831189 - 2⁷ = 33085831061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33085831109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16542915594 + 16542915595.

It is an arithmetic number, because the mean of its divisors is an integer number (16542915595).

Almost surely, 2^33085831189 is an apocalyptic number.

It is an amenable number.

33085831189 is a deficient number, since it is larger than the sum of its proper divisors (1).

33085831189 is an equidigital number, since it uses as much as digits as its factorization.

33085831189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 33085831189 in words is "thirty-three billion, eighty-five million, eight hundred thirty-one thousand, one hundred eighty-nine".