268468441 has 2 divisors, whose sum is σ = 268468442. Its totient is φ = 268468440.

The previous prime is 268468439. The next prime is 268468481. The reversal of 268468441 is 144864862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255072841 + 13395600 = 15971^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 268468441 - 2¹ = 268468439 is a prime.

It is a super-3 number, since 3×268468441³ (a number of 26 digits) contains 333 as substring.

Together with 268468439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (268468481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134234220 + 134234221.

It is an arithmetic number, because the mean of its divisors is an integer number (134234221).

Almost surely, 2^268468441 is an apocalyptic number.

It is an amenable number.

268468441 is a deficient number, since it is larger than the sum of its proper divisors (1).

268468441 is an equidigital number, since it uses as much as digits as its factorization.

268468441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 43.

The square root of 268468441 is about 16385.0065913932. The cubic root of 268468441 is about 645.1059986441.

The spelling of 268468441 in words is "two hundred sixty-eight million, four hundred sixty-eight thousand, four hundred forty-one".