320461841797 has 2 divisors, whose sum is σ = 320461841798. Its totient is φ = 320461841796.

The previous prime is 320461841789. The next prime is 320461841807. The reversal of 320461841797 is 797148164023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263298291876 + 57163549921 = 513126^2 + 239089^2 .

It is a cyclic number.

It is not a de Polignac number, because 320461841797 - 2³ = 320461841789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320461841767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160230920898 + 160230920899.

It is an arithmetic number, because the mean of its divisors is an integer number (160230920899).

Almost surely, 2^320461841797 is an apocalyptic number.

It is an amenable number.

320461841797 is a deficient number, since it is larger than the sum of its proper divisors (1).

320461841797 is an equidigital number, since it uses as much as digits as its factorization.

320461841797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 320461841797 in words is "three hundred twenty billion, four hundred sixty-one million, eight hundred forty-one thousand, seven hundred ninety-seven".