260069400917 has 2 divisors, whose sum is σ = 260069400918. Its totient is φ = 260069400916.

The previous prime is 260069400889. The next prime is 260069400919. The reversal of 260069400917 is 719004960062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244946796241 + 15122604676 = 494921^2 + 122974^2 .

It is a cyclic number.

It is not a de Polignac number, because 260069400917 - 2⁶ = 260069400853 is a prime.

Together with 260069400919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260069400919) 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, 130034700458 + 130034700459.

It is an arithmetic number, because the mean of its divisors is an integer number (130034700459).

Almost surely, 2^260069400917 is an apocalyptic number.

It is an amenable number.

260069400917 is a deficient number, since it is larger than the sum of its proper divisors (1).

260069400917 is an equidigital number, since it uses as much as digits as its factorization.

260069400917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 260069400917 in words is "two hundred sixty billion, sixty-nine million, four hundred thousand, nine hundred seventeen".