260402543017 has 4 divisors (see below), whose sum is σ = 266753824596. Its totient is φ = 254051261440.

The previous prime is 260402542969. The next prime is 260402543039. The reversal of 260402543017 is 710345204062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30842735641 + 229559807376 = 175621^2 + 479124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260402543017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260402573017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175640728 + ... + 3175640809.

It is an arithmetic number, because the mean of its divisors is an integer number (66688456149).

Almost surely, 2^260402543017 is an apocalyptic number.

It is an amenable number.

260402543017 is a deficient number, since it is larger than the sum of its proper divisors (6351281579).

260402543017 is an equidigital number, since it uses as much as digits as its factorization.

260402543017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351281578.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 260402543017 its reverse (710345204062), we get a palindrome (970747747079).

The spelling of 260402543017 in words is "two hundred sixty billion, four hundred two million, five hundred forty-three thousand, seventeen".