240219893 has 2 divisors, whose sum is σ = 240219894. Its totient is φ = 240219892.

The previous prime is 240219853. The next prime is 240219901. The reversal of 240219893 is 398912042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 1270129 = 15458^2 + 1127^2 .

It is a cyclic number.

It is not a de Polignac number, because 240219893 - 2⁶ = 240219829 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240219853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120109946 + 120109947.

It is an arithmetic number, because the mean of its divisors is an integer number (120109947).

Almost surely, 2^240219893 is an apocalyptic number.

It is an amenable number.

240219893 is a deficient number, since it is larger than the sum of its proper divisors (1).

240219893 is an equidigital number, since it uses as much as digits as its factorization.

240219893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 240219893 is about 15499.0287760234. The cubic root of 240219893 is about 621.6362373329.

The spelling of 240219893 in words is "two hundred forty million, two hundred nineteen thousand, eight hundred ninety-three".