1718483294321 has 2 divisors, whose sum is σ = 1718483294322. Its totient is φ = 1718483294320.

The previous prime is 1718483294303. The next prime is 1718483294327. The reversal of 1718483294321 is 1234923848171.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1306595308096 + 411887986225 = 1143064^2 + 641785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1718483294321 - 2⁶ = 1718483294257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1718483294327) 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, 859241647160 + 859241647161.

It is an arithmetic number, because the mean of its divisors is an integer number (859241647161).

Almost surely, 2^{1718483294321} is an apocalyptic number.

It is an amenable number.

1718483294321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1718483294321 is an equidigital number, since it uses as much as digits as its factorization.

1718483294321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The spelling of 1718483294321 in words is "one trillion, seven hundred eighteen billion, four hundred eighty-three million, two hundred ninety-four thousand, three hundred twenty-one".