322403279993 has 2 divisors, whose sum is σ = 322403279994. Its totient is φ = 322403279992.

The previous prime is 322403279959. The next prime is 322403280011. The reversal of 322403279993 is 399972304223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263961667984 + 58441612009 = 513772^2 + 241747^2 .

It is a cyclic number.

It is not a de Polignac number, because 322403279993 - 2⁶ = 322403279929 is a prime.

It is not a weakly prime, because it can be changed into another prime (322403279593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161201639996 + 161201639997.

It is an arithmetic number, because the mean of its divisors is an integer number (161201639997).

Almost surely, 2^322403279993 is an apocalyptic number.

It is an amenable number.

322403279993 is a deficient number, since it is larger than the sum of its proper divisors (1).

322403279993 is an equidigital number, since it uses as much as digits as its factorization.

322403279993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 322403279993 in words is "three hundred twenty-two billion, four hundred three million, two hundred seventy-nine thousand, nine hundred ninety-three".