240994828813 has 2 divisors, whose sum is σ = 240994828814. Its totient is φ = 240994828812.

The previous prime is 240994828793. The next prime is 240994828849. The reversal of 240994828813 is 318828499042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232567956009 + 8426872804 = 482253^2 + 91798^2 .

It is a cyclic number.

It is not a de Polignac number, because 240994828813 - 2⁹ = 240994828301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240991828813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120497414406 + 120497414407.

It is an arithmetic number, because the mean of its divisors is an integer number (120497414407).

Almost surely, 2^240994828813 is an apocalyptic number.

It is an amenable number.

240994828813 is a deficient number, since it is larger than the sum of its proper divisors (1).

240994828813 is an equidigital number, since it uses as much as digits as its factorization.

240994828813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 240994828813 in words is "two hundred forty billion, nine hundred ninety-four million, eight hundred twenty-eight thousand, eight hundred thirteen".