274519318217 has 2 divisors, whose sum is σ = 274519318218. Its totient is φ = 274519318216.

The previous prime is 274519318159. The next prime is 274519318231. The reversal of 274519318217 is 712813915472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269380722361 + 5138595856 = 519019^2 + 71684^2 .

It is a cyclic number.

It is not a de Polignac number, because 274519318217 - 2⁶ = 274519318153 is a prime.

It is not a weakly prime, because it can be changed into another prime (274519368217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137259659108 + 137259659109.

It is an arithmetic number, because the mean of its divisors is an integer number (137259659109).

Almost surely, 2^274519318217 is an apocalyptic number.

It is an amenable number.

274519318217 is a deficient number, since it is larger than the sum of its proper divisors (1).

274519318217 is an equidigital number, since it uses as much as digits as its factorization.

274519318217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 50.

The spelling of 274519318217 in words is "two hundred seventy-four billion, five hundred nineteen million, three hundred eighteen thousand, two hundred seventeen".