240898807813 has 2 divisors, whose sum is σ = 240898807814. Its totient is φ = 240898807812.

The previous prime is 240898807769. The next prime is 240898807861. The reversal of 240898807813 is 318708898042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235129949604 + 5768858209 = 484902^2 + 75953^2 .

It is a cyclic number.

It is not a de Polignac number, because 240898807813 - 2¹⁷ = 240898676741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240898807313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120449403906 + 120449403907.

It is an arithmetic number, because the mean of its divisors is an integer number (120449403907).

Almost surely, 2^240898807813 is an apocalyptic number.

It is an amenable number.

240898807813 is a deficient number, since it is larger than the sum of its proper divisors (1).

240898807813 is an equidigital number, since it uses as much as digits as its factorization.

240898807813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 240898807813 in words is "two hundred forty billion, eight hundred ninety-eight million, eight hundred seven thousand, eight hundred thirteen".