260244230975569 has 15 divisors (see below), whose sum is σ = 265295121608253. Its totient is φ = 255289502434824.

The previous prime is 260244230975563. The next prime is 260244230975621. The reversal of 260244230975569 is 965579032442062.

It is a happy number.

The square root of 260244230975569 is 16132087.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50795027005969 + 209449203969600 = 7127063^2 + 14472360^2 .

It is not a de Polignac number, because 260244230975569 - 2²⁹ = 260243694104657 is a prime.

It is a super-2 number, since 2×260244230975569² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260244230975569.

It is not an unprimeable number, because it can be changed into a prime (260244230975563) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 45315029512 + ... + 45315035254.

Almost surely, 2^{260244230975569} is an apocalyptic number.

260244230975569 is the 16132087-th square number.

260244230975569 is the 8066044-th centered octagonal number.

It is an amenable number.

260244230975569 is a deficient number, since it is larger than the sum of its proper divisors (5050890632684).

260244230975569 is an frugal number, since it uses more digits than its factorization.

260244230975569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 64.

The spelling of 260244230975569 in words is "two hundred sixty trillion, two hundred forty-four billion, two hundred thirty million, nine hundred seventy-five thousand, five hundred sixty-nine".