320494388359771 has 2 divisors, whose sum is σ = 320494388359772. Its totient is φ = 320494388359770.

The previous prime is 320494388359667. The next prime is 320494388359781. The reversal of 320494388359771 is 177953883494023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320494388359771 - 2¹¹ = 320494388357723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320494388359694 and 320494388359703.

It is not a weakly prime, because it can be changed into another prime (320494388359781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160247194179885 + 160247194179886.

It is an arithmetic number, because the mean of its divisors is an integer number (160247194179886).

Almost surely, 2^{320494388359771} is an apocalyptic number.

320494388359771 is a deficient number, since it is larger than the sum of its proper divisors (1).

320494388359771 is an equidigital number, since it uses as much as digits as its factorization.

320494388359771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1097349120, while the sum is 73.

The spelling of 320494388359771 in words is "three hundred twenty trillion, four hundred ninety-four billion, three hundred eighty-eight million, three hundred fifty-nine thousand, seven hundred seventy-one".