240213020189 has 2 divisors, whose sum is σ = 240213020190. Its totient is φ = 240213020188.

The previous prime is 240213020063. The next prime is 240213020219. The reversal of 240213020189 is 981020312042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222281132089 + 17931888100 = 471467^2 + 133910^2 .

It is a cyclic number.

It is not a de Polignac number, because 240213020189 - 2³⁶ = 171493543453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240213010189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120106510094 + 120106510095.

It is an arithmetic number, because the mean of its divisors is an integer number (120106510095).

Almost surely, 2^240213020189 is an apocalyptic number.

It is an amenable number.

240213020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

240213020189 is an equidigital number, since it uses as much as digits as its factorization.

240213020189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 240213020189 in words is "two hundred forty billion, two hundred thirteen million, twenty thousand, one hundred eighty-nine".