326551403341 has 4 divisors (see below), whose sum is σ = 327476478492. Its totient is φ = 325626328192.

The previous prime is 326551403317. The next prime is 326551403401. The reversal of 326551403341 is 143304155623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143304155623 = 263 ⋅544882721.

It can be written as a sum of positive squares in 2 ways, for example, as 70561953225 + 255989450116 = 265635^2 + 505954^2 .

It is a cyclic number.

It is not a de Polignac number, because 326551403341 - 2²⁷ = 326417185613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326551403341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326551403741) 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, 462537046 + ... + 462537751.

It is an arithmetic number, because the mean of its divisors is an integer number (81869119623).

Almost surely, 2^326551403341 is an apocalyptic number.

It is an amenable number.

326551403341 is a deficient number, since it is larger than the sum of its proper divisors (925075151).

326551403341 is an equidigital number, since it uses as much as digits as its factorization.

326551403341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925075150.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 326551403341 its reverse (143304155623), we get a palindrome (469855558964).

The spelling of 326551403341 in words is "three hundred twenty-six billion, five hundred fifty-one million, four hundred three thousand, three hundred forty-one".