326277436849 has 27 divisors (see below), whose sum is σ = 411054490017. Its totient is φ = 258112449504.

The previous prime is 326277436831. The next prime is 326277436873. The reversal of 326277436849 is 948634772623.

The square root of 326277436849 is 571207.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18918076849 + 307359360000 = 137543^2 + 554400^2 .

It is not a de Polignac number, because 326277436849 - 2⁹ = 326277436337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326277436049) 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 26 ways as a sum of consecutive naturals, for example, 51976699 + ... + 51982975.

It is an arithmetic number, because the mean of its divisors is an integer number (15224240371).

Almost surely, 2^326277436849 is an apocalyptic number.

326277436849 is the 571207-th square number.

326277436849 is the 285604-th centered octagonal number.

It is an amenable number.

326277436849 is a deficient number, since it is larger than the sum of its proper divisors (84777053168).

326277436849 is an frugal number, since it uses more digits than its factorization.

326277436849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594 (or 6297 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 61.

The spelling of 326277436849 in words is "three hundred twenty-six billion, two hundred seventy-seven million, four hundred thirty-six thousand, eight hundred forty-nine".