320063488897 has 2 divisors, whose sum is σ = 320063488898. Its totient is φ = 320063488896.

The previous prime is 320063488747. The next prime is 320063488931. The reversal of 320063488897 is 798884360023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299992816656 + 20070672241 = 547716^2 + 141671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320063488897 is a prime.

It is not a weakly prime, because it can be changed into another prime (320063482897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160031744448 + 160031744449.

It is an arithmetic number, because the mean of its divisors is an integer number (160031744449).

Almost surely, 2^320063488897 is an apocalyptic number.

It is an amenable number.

320063488897 is a deficient number, since it is larger than the sum of its proper divisors (1).

320063488897 is an equidigital number, since it uses as much as digits as its factorization.

320063488897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 320063488897 in words is "three hundred twenty billion, sixty-three million, four hundred eighty-eight thousand, eight hundred ninety-seven".