1730227613273 has 2 divisors, whose sum is σ = 1730227613274. Its totient is φ = 1730227613272.

The previous prime is 1730227613267. The next prime is 1730227613327. The reversal of 1730227613273 is 3723167220371.

Together with next prime (1730227613327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1653363932224 + 76863681049 = 1285832^2 + 277243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730227613273 - 2²⁰ = 1730226564697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1730227643273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865113806636 + 865113806637.

It is an arithmetic number, because the mean of its divisors is an integer number (865113806637).

Almost surely, 2^{1730227613273} is an apocalyptic number.

It is an amenable number.

1730227613273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730227613273 is an equidigital number, since it uses as much as digits as its factorization.

1730227613273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 1730227613273 in words is "one trillion, seven hundred thirty billion, two hundred twenty-seven million, six hundred thirteen thousand, two hundred seventy-three".