340255277249 has 2 divisors, whose sum is σ = 340255277250. Its totient is φ = 340255277248.

The previous prime is 340255277233. The next prime is 340255277251. The reversal of 340255277249 is 942772552043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225808387249 + 114446890000 = 475193^2 + 338300^2 .

It is a cyclic number.

It is not a de Polignac number, because 340255277249 - 2⁴ = 340255277233 is a prime.

Together with 340255277251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340255277197 and 340255277206.

It is not a weakly prime, because it can be changed into another prime (340255277849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170127638624 + 170127638625.

It is an arithmetic number, because the mean of its divisors is an integer number (170127638625).

Almost surely, 2^340255277249 is an apocalyptic number.

It is an amenable number.

340255277249 is a deficient number, since it is larger than the sum of its proper divisors (1).

340255277249 is an equidigital number, since it uses as much as digits as its factorization.

340255277249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 340255277249 in words is "three hundred forty billion, two hundred fifty-five million, two hundred seventy-seven thousand, two hundred forty-nine".