326461460405 has 4 divisors (see below), whose sum is σ = 391753752492. Its totient is φ = 261169168320.

The previous prime is 326461460383. The next prime is 326461460419. The reversal of 326461460405 is 504064164623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504064164623 = 103 ⋅4893826841.

It can be written as a sum of positive squares in 2 ways, for example, as 35377471921 + 291083988484 = 188089^2 + 539522^2 .

It is not a de Polignac number, because 326461460405 - 2¹⁶ = 326461394869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32646146036 + ... + 32646146045.

It is an arithmetic number, because the mean of its divisors is an integer number (97938438123).

Almost surely, 2^326461460405 is an apocalyptic number.

It is an amenable number.

326461460405 is a deficient number, since it is larger than the sum of its proper divisors (65292292087).

326461460405 is an equidigital number, since it uses as much as digits as its factorization.

326461460405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65292292086.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 326461460405 in words is "three hundred twenty-six billion, four hundred sixty-one million, four hundred sixty thousand, four hundred five".