268210326205 has 4 divisors (see below), whose sum is σ = 321852391452. Its totient is φ = 214568260960.

The previous prime is 268210326203. The next prime is 268210326227. The reversal of 268210326205 is 502623012862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80668496484 + 187541829721 = 284022^2 + 433061^2 .

It is not a de Polignac number, because 268210326205 - 2¹ = 268210326203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268210326203) 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, 26821032616 + ... + 26821032625.

It is an arithmetic number, because the mean of its divisors is an integer number (80463097863).

Almost surely, 2^268210326205 is an apocalyptic number.

It is an amenable number.

268210326205 is a deficient number, since it is larger than the sum of its proper divisors (53642065247).

268210326205 is an equidigital number, since it uses as much as digits as its factorization.

268210326205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53642065246.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 268210326205 in words is "two hundred sixty-eight billion, two hundred ten million, three hundred twenty-six thousand, two hundred five".