320541663751373 has 2 divisors, whose sum is σ = 320541663751374. Its totient is φ = 320541663751372.

The previous prime is 320541663751321. The next prime is 320541663751499. The reversal of 320541663751373 is 373157366145023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318705972066244 + 1835691685129 = 17852338^2 + 1354877^2 .

It is a cyclic number.

It is not a de Polignac number, because 320541663751373 - 2²⁸ = 320541395315917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320541663751303) 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, 160270831875686 + 160270831875687.

It is an arithmetic number, because the mean of its divisors is an integer number (160270831875687).

Almost surely, 2^{320541663751373} is an apocalyptic number.

It is an amenable number.

320541663751373 is a deficient number, since it is larger than the sum of its proper divisors (1).

320541663751373 is an equidigital number, since it uses as much as digits as its factorization.

320541663751373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28576800, while the sum is 56.

The spelling of 320541663751373 in words is "three hundred twenty trillion, five hundred forty-one billion, six hundred sixty-three million, seven hundred fifty-one thousand, three hundred seventy-three".