273187791716137 has 2 divisors, whose sum is σ = 273187791716138. Its totient is φ = 273187791716136.

The previous prime is 273187791716131. The next prime is 273187791716159. The reversal of 273187791716137 is 731617197781372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149128938490896 + 124058853225241 = 12211836^2 + 11138171^2 .

It is a cyclic number.

It is not a de Polignac number, because 273187791716137 - 2²⁷ = 273187657498409 is a prime.

It is not a weakly prime, because it can be changed into another prime (273187791716131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136593895858068 + 136593895858069.

It is an arithmetic number, because the mean of its divisors is an integer number (136593895858069).

Almost surely, 2^{273187791716137} is an apocalyptic number.

It is an amenable number.

273187791716137 is a deficient number, since it is larger than the sum of its proper divisors (1).

273187791716137 is an equidigital number, since it uses as much as digits as its factorization.

273187791716137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130691232, while the sum is 70.

The spelling of 273187791716137 in words is "two hundred seventy-three trillion, one hundred eighty-seven billion, seven hundred ninety-one million, seven hundred sixteen thousand, one hundred thirty-seven".