215041244189 has 2 divisors, whose sum is σ = 215041244190. Its totient is φ = 215041244188.

The previous prime is 215041244183. The next prime is 215041244273. The reversal of 215041244189 is 981442140512.

215041244189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211914756964 + 3126487225 = 460342^2 + 55915^2 .

It is a cyclic number.

It is not a de Polignac number, because 215041244189 - 2³² = 210746276893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215041244183) 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, 107520622094 + 107520622095.

It is an arithmetic number, because the mean of its divisors is an integer number (107520622095).

Almost surely, 2^215041244189 is an apocalyptic number.

It is an amenable number.

215041244189 is a deficient number, since it is larger than the sum of its proper divisors (1).

215041244189 is an equidigital number, since it uses as much as digits as its factorization.

215041244189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 215041244189 in words is "two hundred fifteen billion, forty-one million, two hundred forty-four thousand, one hundred eighty-nine".