268373863 has 2 divisors, whose sum is σ = 268373864. Its totient is φ = 268373862.

The previous prime is 268373857. The next prime is 268373881. The reversal of 268373863 is 368373862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268373863 - 2¹⁷ = 268242791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268373263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134186931 + 134186932.

It is an arithmetic number, because the mean of its divisors is an integer number (134186932).

Almost surely, 2^268373863 is an apocalyptic number.

268373863 is a deficient number, since it is larger than the sum of its proper divisors (1).

268373863 is an equidigital number, since it uses as much as digits as its factorization.

268373863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 268373863 is about 16382.1202229748. The cubic root of 268373863 is about 645.0302355476.

Subtracting 268373863 from its reverse (368373862), we obtain a palindrome (99999999).

The spelling of 268373863 in words is "two hundred sixty-eight million, three hundred seventy-three thousand, eight hundred sixty-three".