268321126273 has 4 divisors (see below), whose sum is σ = 268330503168. Its totient is φ = 268311749380.

The previous prime is 268321126267. The next prime is 268321126289. The reversal of 268321126273 is 372621123862.

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 a de Polignac number, because none of the positive numbers 2^k-268321126273 is a prime.

It is a super-2 number, since 2×268321126273² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268321126973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4645393 + ... + 4702798.

It is an arithmetic number, because the mean of its divisors is an integer number (67082625792).

Almost surely, 2^268321126273 is an apocalyptic number.

It is an amenable number.

268321126273 is a deficient number, since it is larger than the sum of its proper divisors (9376895).

268321126273 is an equidigital number, since it uses as much as digits as its factorization.

268321126273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376894.

The product of its digits is 290304, while the sum is 43.

The spelling of 268321126273 in words is "two hundred sixty-eight billion, three hundred twenty-one million, one hundred twenty-six thousand, two hundred seventy-three".