326054565336421 has 4 divisors (see below), whose sum is σ = 334866850886092. Its totient is φ = 317242279786752.

The previous prime is 326054565336397. The next prime is 326054565336491. The reversal of 326054565336421 is 124633565450623.

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 169791715072225 + 156262850264196 = 13030415^2 + 12500514^2 .

It is a cyclic number.

It is not a de Polignac number, because 326054565336421 - 2⁵ = 326054565336389 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 (326054565336491) 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, 4406142774780 + ... + 4406142774853.

It is an arithmetic number, because the mean of its divisors is an integer number (83716712721523).

Almost surely, 2^{326054565336421} is an apocalyptic number.

It is an amenable number.

326054565336421 is a deficient number, since it is larger than the sum of its proper divisors (8812285549671).

326054565336421 is an equidigital number, since it uses as much as digits as its factorization.

326054565336421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812285549670.

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 326054565336421 in words is "three hundred twenty-six trillion, fifty-four billion, five hundred sixty-five million, three hundred thirty-six thousand, four hundred twenty-one".