260200646543209 has 2 divisors, whose sum is σ = 260200646543210. Its totient is φ = 260200646543208.

The previous prime is 260200646543177. The next prime is 260200646543263. The reversal of 260200646543209 is 902345646002062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219148793505625 + 41051853037584 = 14803675^2 + 6407172^2 .

It is a cyclic number.

It is not a de Polignac number, because 260200646543209 - 2⁵ = 260200646543177 is a prime.

It is a super-2 number, since 2×260200646543209² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260200646543269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130100323271604 + 130100323271605.

It is an arithmetic number, because the mean of its divisors is an integer number (130100323271605).

Almost surely, 2^{260200646543209} is an apocalyptic number.

It is an amenable number.

260200646543209 is a deficient number, since it is larger than the sum of its proper divisors (1).

260200646543209 is an equidigital number, since it uses as much as digits as its factorization.

260200646543209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 260200646543209 in words is "two hundred sixty trillion, two hundred billion, six hundred forty-six million, five hundred forty-three thousand, two hundred nine".