260842068529 has 21 divisors (see below), whose sum is σ = 304519890027. Its totient is φ = 223428762144.

The previous prime is 260842068481. The next prime is 260842068577. The reversal of 260842068529 is 925860248062.

The square root of 260842068529 is 510727.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (260842068481) and next prime (260842068577).

It can be written as a sum of positive squares in only one way, i.e., 55850450929 + 204991617600 = 236327^2 + 452760^2 .

It is not a de Polignac number, because 260842068529 - 2¹⁵ = 260842035761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260842068229) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 175178617 + ... + 175180105.

Almost surely, 2^260842068529 is an apocalyptic number.

260842068529 is the 510727-th square number.

260842068529 is the 255364-th centered octagonal number.

It is an amenable number.

260842068529 is a deficient number, since it is larger than the sum of its proper divisors (43677821498).

260842068529 is an frugal number, since it uses more digits than its factorization.

260842068529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 260842068529 in words is "two hundred sixty billion, eight hundred forty-two million, sixty-eight thousand, five hundred twenty-nine".