320562203146469 has 2 divisors, whose sum is σ = 320562203146470. Its totient is φ = 320562203146468.

The previous prime is 320562203146453. The next prime is 320562203146481. The reversal of 320562203146469 is 964641302265023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295658739772900 + 24903463373569 = 17194730^2 + 4990337^2 .

It is a cyclic number.

It is not a de Polignac number, because 320562203146469 - 2⁴ = 320562203146453 is a prime.

It is a super-2 number, since 2×320562203146469² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320562203146469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320562203146439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160281101573234 + 160281101573235.

It is an arithmetic number, because the mean of its divisors is an integer number (160281101573235).

Almost surely, 2^{320562203146469} is an apocalyptic number.

It is an amenable number.

320562203146469 is a deficient number, since it is larger than the sum of its proper divisors (1).

320562203146469 is an equidigital number, since it uses as much as digits as its factorization.

320562203146469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 320562203146469 in words is "three hundred twenty trillion, five hundred sixty-two billion, two hundred three million, one hundred forty-six thousand, four hundred sixty-nine".