260535140669 has 2 divisors, whose sum is σ = 260535140670. Its totient is φ = 260535140668.

The previous prime is 260535140629. The next prime is 260535140743. The reversal of 260535140669 is 966041535062.

260535140669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260367308644 + 167832025 = 510262^2 + 12955^2 .

It is a cyclic number.

It is not a de Polignac number, because 260535140669 - 2²⁴ = 260518363453 is a prime.

It is a super-2 number, since 2×260535140669² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260535140609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130267570334 + 130267570335.

It is an arithmetic number, because the mean of its divisors is an integer number (130267570335).

Almost surely, 2^260535140669 is an apocalyptic number.

It is an amenable number.

260535140669 is a deficient number, since it is larger than the sum of its proper divisors (1).

260535140669 is an equidigital number, since it uses as much as digits as its factorization.

260535140669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 260535140669 in words is "two hundred sixty billion, five hundred thirty-five million, one hundred forty thousand, six hundred sixty-nine".