240609795066859 has 2 divisors, whose sum is σ = 240609795066860. Its totient is φ = 240609795066858.

The previous prime is 240609795066853. The next prime is 240609795066863. The reversal of 240609795066859 is 958660597906042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240609795066859 - 2⁷ = 240609795066731 is a prime.

It is a super-3 number, since 3×240609795066859³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (240609795066853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120304897533429 + 120304897533430.

It is an arithmetic number, because the mean of its divisors is an integer number (120304897533430).

Almost surely, 2^{240609795066859} is an apocalyptic number.

240609795066859 is a deficient number, since it is larger than the sum of its proper divisors (1).

240609795066859 is an equidigital number, since it uses as much as digits as its factorization.

240609795066859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1763596800, while the sum is 76.

The spelling of 240609795066859 in words is "two hundred forty trillion, six hundred nine billion, seven hundred ninety-five million, sixty-six thousand, eight hundred fifty-nine".