320341534204493 has 2 divisors, whose sum is σ = 320341534204494. Its totient is φ = 320341534204492.

The previous prime is 320341534204481. The next prime is 320341534204543. The reversal of 320341534204493 is 394402435143023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320278734846889 + 62799357604 = 17896333^2 + 250598^2 .

It is a cyclic number.

It is not a de Polignac number, because 320341534204493 - 2⁴⁰ = 319242022576717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320341534204693) 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, 160170767102246 + 160170767102247.

It is an arithmetic number, because the mean of its divisors is an integer number (160170767102247).

Almost surely, 2^{320341534204493} is an apocalyptic number.

It is an amenable number.

320341534204493 is a deficient number, since it is larger than the sum of its proper divisors (1).

320341534204493 is an equidigital number, since it uses as much as digits as its factorization.

320341534204493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 320341534204493 in words is "three hundred twenty trillion, three hundred forty-one billion, five hundred thirty-four million, two hundred four thousand, four hundred ninety-three".