268096068221 has 4 divisors (see below), whose sum is σ = 268097152512. Its totient is φ = 268094983932.

The previous prime is 268096068211. The next prime is 268096068257. The reversal of 268096068221 is 122860690862.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 268096068221 - 2⁶ = 268096068157 is a prime.

It is a super-2 number, since 2×268096068221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268096068221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268096068211) 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, 30020 + ... + 732866.

It is an arithmetic number, because the mean of its divisors is an integer number (67024288128).

Almost surely, 2^268096068221 is an apocalyptic number.

It is an amenable number.

268096068221 is a deficient number, since it is larger than the sum of its proper divisors (1084291).

268096068221 is an equidigital number, since it uses as much as digits as its factorization.

268096068221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084290.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 268096068221 in words is "two hundred sixty-eight billion, ninety-six million, sixty-eight thousand, two hundred twenty-one".