6256241667209 has 2 divisors, whose sum is σ = 6256241667210. Its totient is φ = 6256241667208.

The previous prime is 6256241667173. The next prime is 6256241667217. The reversal of 6256241667209 is 9027661426526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4387014030400 + 1869227636809 = 2094520^2 + 1367197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6256241667209 is a prime.

It is not a weakly prime, because it can be changed into another prime (6256241667239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128120833604 + 3128120833605.

It is an arithmetic number, because the mean of its divisors is an integer number (3128120833605).

Almost surely, 2^{6256241667209} is an apocalyptic number.

It is an amenable number.

6256241667209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256241667209 is an equidigital number, since it uses as much as digits as its factorization.

6256241667209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 6256241667209 in words is "six trillion, two hundred fifty-six billion, two hundred forty-one million, six hundred sixty-seven thousand, two hundred nine".