326448524641 has 4 divisors (see below), whose sum is σ = 327323722132. Its totient is φ = 325573327152.

The previous prime is 326448524627. The next prime is 326448524653. The reversal of 326448524641 is 146425844623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146425844623 = 69499 ⋅2106877.

It can be written as a sum of positive squares in 2 ways, for example, as 200409324241 + 126039200400 = 447671^2 + 355020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326448524641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326448524621) 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, 437598186 + ... + 437598931.

It is an arithmetic number, because the mean of its divisors is an integer number (81830930533).

Almost surely, 2^326448524641 is an apocalyptic number.

It is an amenable number.

326448524641 is a deficient number, since it is larger than the sum of its proper divisors (875197491).

326448524641 is an equidigital number, since it uses as much as digits as its factorization.

326448524641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875197490.

The product of its digits is 4423680, while the sum is 49.

The spelling of 326448524641 in words is "three hundred twenty-six billion, four hundred forty-eight million, five hundred twenty-four thousand, six hundred forty-one".