260286753281 has 2 divisors, whose sum is σ = 260286753282. Its totient is φ = 260286753280.

The previous prime is 260286753263. The next prime is 260286753319. The reversal of 260286753281 is 182357682062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260116320256 + 170433025 = 510016^2 + 13055^2 .

It is a cyclic number.

It is not a de Polignac number, because 260286753281 - 2²⁶ = 260219644417 is a prime.

It is a super-2 number, since 2×260286753281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260286752281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130143376640 + 130143376641.

It is an arithmetic number, because the mean of its divisors is an integer number (130143376641).

Almost surely, 2^260286753281 is an apocalyptic number.

It is an amenable number.

260286753281 is a deficient number, since it is larger than the sum of its proper divisors (1).

260286753281 is an equidigital number, since it uses as much as digits as its factorization.

260286753281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 260286753281 in words is "two hundred sixty billion, two hundred eighty-six million, seven hundred fifty-three thousand, two hundred eighty-one".