268003312271007 has 4 divisors (see below), whose sum is σ = 357337749694680. Its totient is φ = 178668874847336.

The previous prime is 268003312270973. The next prime is 268003312271083. The reversal of 268003312271007 is 700172213300862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268003312271007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268003312271007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268003312201007) 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, 44667218711832 + ... + 44667218711837.

It is an arithmetic number, because the mean of its divisors is an integer number (89334437423670).

Almost surely, 2^{268003312271007} is an apocalyptic number.

268003312271007 is a deficient number, since it is larger than the sum of its proper divisors (89334437423673).

268003312271007 is an equidigital number, since it uses as much as digits as its factorization.

268003312271007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89334437423672.

The product of its (nonzero) digits is 169344, while the sum is 42.

Adding to 268003312271007 its reverse (700172213300862), we get a palindrome (968175525571869).

The spelling of 268003312271007 in words is "two hundred sixty-eight trillion, three billion, three hundred twelve million, two hundred seventy-one thousand, seven".