260849060261 has 2 divisors, whose sum is σ = 260849060262. Its totient is φ = 260849060260.

The previous prime is 260849060257. The next prime is 260849060279. The reversal of 260849060261 is 162060948062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255928739236 + 4920321025 = 505894^2 + 70145^2 .

It is a cyclic number.

It is not a de Polignac number, because 260849060261 - 2² = 260849060257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260849063261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130424530130 + 130424530131.

It is an arithmetic number, because the mean of its divisors is an integer number (130424530131).

Almost surely, 2^260849060261 is an apocalyptic number.

It is an amenable number.

260849060261 is a deficient number, since it is larger than the sum of its proper divisors (1).

260849060261 is an equidigital number, since it uses as much as digits as its factorization.

260849060261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 260849060261 in words is "two hundred sixty billion, eight hundred forty-nine million, sixty thousand, two hundred sixty-one".