326895365213 has 4 divisors (see below), whose sum is σ = 327771760668. Its totient is φ = 326018969760.

The previous prime is 326895365191. The next prime is 326895365221. The reversal of 326895365213 is 312563598623.

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 201548919364 + 125346445849 = 448942^2 + 354043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326895365213 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 (326895365233) 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, 438197168 + ... + 438197913.

It is an arithmetic number, because the mean of its divisors is an integer number (81942940167).

Almost surely, 2^326895365213 is an apocalyptic number.

It is an amenable number.

326895365213 is a deficient number, since it is larger than the sum of its proper divisors (876395455).

326895365213 is an equidigital number, since it uses as much as digits as its factorization.

326895365213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876395454.

The product of its digits is 6998400, while the sum is 53.

The spelling of 326895365213 in words is "three hundred twenty-six billion, eight hundred ninety-five million, three hundred sixty-five thousand, two hundred thirteen".