241266788681 has 2 divisors, whose sum is σ = 241266788682. Its totient is φ = 241266788680.

The previous prime is 241266788647. The next prime is 241266788723. The reversal of 241266788681 is 186887662142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194463360400 + 46803428281 = 440980^2 + 216341^2 .

It is a cyclic number.

It is not a de Polignac number, because 241266788681 - 2¹⁴ = 241266772297 is a prime.

It is a super-2 number, since 2×241266788681² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 241266788681.

It is not a weakly prime, because it can be changed into another prime (241266788981) 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, 120633394340 + 120633394341.

It is an arithmetic number, because the mean of its divisors is an integer number (120633394341).

Almost surely, 2^241266788681 is an apocalyptic number.

It is an amenable number.

241266788681 is a deficient number, since it is larger than the sum of its proper divisors (1).

241266788681 is an equidigital number, since it uses as much as digits as its factorization.

241266788681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 59.

The spelling of 241266788681 in words is "two hundred forty-one billion, two hundred sixty-six million, seven hundred eighty-eight thousand, six hundred eighty-one".