273660630782173 has 2 divisors, whose sum is σ = 273660630782174. Its totient is φ = 273660630782172.

The previous prime is 273660630782137. The next prime is 273660630782183. The reversal of 273660630782173 is 371287036066372.

Together with previous prime (273660630782137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273537925596324 + 122705185849 = 16538982^2 + 350293^2 .

It is a cyclic number.

It is not a de Polignac number, because 273660630782173 - 2²¹ = 273660628685021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273660630782183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136830315391086 + 136830315391087.

It is an arithmetic number, because the mean of its divisors is an integer number (136830315391087).

Almost surely, 2^{273660630782173} is an apocalyptic number.

It is an amenable number.

273660630782173 is a deficient number, since it is larger than the sum of its proper divisors (1).

273660630782173 is an equidigital number, since it uses as much as digits as its factorization.

273660630782173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 61.

The spelling of 273660630782173 in words is "two hundred seventy-three trillion, six hundred sixty billion, six hundred thirty million, seven hundred eighty-two thousand, one hundred seventy-three".