260273738269 has 2 divisors, whose sum is σ = 260273738270. Its totient is φ = 260273738268.

The previous prime is 260273738213. The next prime is 260273738281. The reversal of 260273738269 is 962837372062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218509502500 + 41764235769 = 467450^2 + 204363^2 .

It is a cyclic number.

It is not a de Polignac number, because 260273738269 - 2²¹ = 260271641117 is a prime.

It is a super-2 number, since 2×260273738269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260273738299) 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, 130136869134 + 130136869135.

It is an arithmetic number, because the mean of its divisors is an integer number (130136869135).

Almost surely, 2^260273738269 is an apocalyptic number.

It is an amenable number.

260273738269 is a deficient number, since it is larger than the sum of its proper divisors (1).

260273738269 is an equidigital number, since it uses as much as digits as its factorization.

260273738269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 260273738269 in words is "two hundred sixty billion, two hundred seventy-three million, seven hundred thirty-eight thousand, two hundred sixty-nine".