320056660419493 has 2 divisors, whose sum is σ = 320056660419494. Its totient is φ = 320056660419492.

The previous prime is 320056660419451. The next prime is 320056660419569. The reversal of 320056660419493 is 394914066650023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265354912519524 + 54701747899969 = 16289718^2 + 7396063^2 .

It is a cyclic number.

It is not a de Polignac number, because 320056660419493 - 2⁹ = 320056660418981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320056660419413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028330209746 + 160028330209747.

It is an arithmetic number, because the mean of its divisors is an integer number (160028330209747).

Almost surely, 2^{320056660419493} is an apocalyptic number.

It is an amenable number.

320056660419493 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056660419493 is an equidigital number, since it uses as much as digits as its factorization.

320056660419493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 58.

The spelling of 320056660419493 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred nineteen thousand, four hundred ninety-three".