268496243 has 4 divisors (see below), whose sum is σ = 268529040. Its totient is φ = 268463448.

The previous prime is 268496213. The next prime is 268496287. The reversal of 268496243 is 342694862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 342694862 = 2 ⋅171347431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268496243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268496194 and 268496203.

It is not an unprimeable number, because it can be changed into a prime (268496213) 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, 7253 + ... + 24281.

It is an arithmetic number, because the mean of its divisors is an integer number (67132260).

Almost surely, 2^268496243 is an apocalyptic number.

268496243 is a deficient number, since it is larger than the sum of its proper divisors (32797).

268496243 is a wasteful number, since it uses less digits than its factorization.

268496243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32796.

The product of its digits is 497664, while the sum is 44.

The square root of 268496243 is about 16385.8549670135. The cubic root of 268496243 is about 645.1282664605.

The spelling of 268496243 in words is "two hundred sixty-eight million, four hundred ninety-six thousand, two hundred forty-three".