268348289 has 4 divisors (see below), whose sum is σ = 292743600. Its totient is φ = 243952980.

The previous prime is 268348279. The next prime is 268348313. The reversal of 268348289 is 982843862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268348289 - 2⁴ = 268348273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268348259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197639 + ... + 12197660.

It is an arithmetic number, because the mean of its divisors is an integer number (73185900).

Almost surely, 2^268348289 is an apocalyptic number.

It is an amenable number.

268348289 is a deficient number, since it is larger than the sum of its proper divisors (24395311).

268348289 is a wasteful number, since it uses less digits than its factorization.

268348289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24395310.

The product of its digits is 1327104, while the sum is 50.

The square root of 268348289 is about 16381.3396582819. The cubic root of 268348289 is about 645.0097460619.

The spelling of 268348289 in words is "two hundred sixty-eight million, three hundred forty-eight thousand, two hundred eighty-nine".