273145537833317 has 2 divisors, whose sum is σ = 273145537833318. Its totient is φ = 273145537833316.

The previous prime is 273145537833269. The next prime is 273145537833323. The reversal of 273145537833317 is 713338735541372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148349135777956 + 124796402055361 = 12179866^2 + 11171231^2 .

It is a cyclic number.

It is not a de Polignac number, because 273145537833317 - 2²⁴ = 273145521056101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273145537833317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273145537833017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136572768916658 + 136572768916659.

It is an arithmetic number, because the mean of its divisors is an integer number (136572768916659).

Almost surely, 2^{273145537833317} is an apocalyptic number.

It is an amenable number.

273145537833317 is a deficient number, since it is larger than the sum of its proper divisors (1).

273145537833317 is an equidigital number, since it uses as much as digits as its factorization.

273145537833317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 133358400, while the sum is 62.

The spelling of 273145537833317 in words is "two hundred seventy-three trillion, one hundred forty-five billion, five hundred thirty-seven million, eight hundred thirty-three thousand, three hundred seventeen".