320246325438881 has 2 divisors, whose sum is σ = 320246325438882. Its totient is φ = 320246325438880.

The previous prime is 320246325438797. The next prime is 320246325438887. The reversal of 320246325438881 is 188834523642023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229999821405025 + 90246504033856 = 15165745^2 + 9499816^2 .

It is a cyclic number.

It is not a de Polignac number, because 320246325438881 - 2³⁰ = 320245251697057 is a prime.

It is a super-2 number, since 2×320246325438881² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320246325438881.

It is not a weakly prime, because it can be changed into another prime (320246325438887) 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 as a sum of consecutive naturals, namely, 160123162719440 + 160123162719441.

It is an arithmetic number, because the mean of its divisors is an integer number (160123162719441).

Almost surely, 2^{320246325438881} is an apocalyptic number.

It is an amenable number.

320246325438881 is a deficient number, since it is larger than the sum of its proper divisors (1).

320246325438881 is an equidigital number, since it uses as much as digits as its factorization.

320246325438881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53084160, while the sum is 59.

The spelling of 320246325438881 in words is "three hundred twenty trillion, two hundred forty-six billion, three hundred twenty-five million, four hundred thirty-eight thousand, eight hundred eighty-one".