2560020569 has 2 divisors, whose sum is σ = 2560020570. Its totient is φ = 2560020568.

The previous prime is 2560020557. The next prime is 2560020577. The reversal of 2560020569 is 9650200652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2419360969 + 140659600 = 49187^2 + 11860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560020569 - 2²⁰ = 2558971993 is a prime.

It is a super-2 number, since 2×2560020569² = 13107410627406167522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2560020539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280010284 + 1280010285.

It is an arithmetic number, because the mean of its divisors is an integer number (1280010285).

Almost surely, 2^2560020569 is an apocalyptic number.

It is an amenable number.

2560020569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560020569 is an equidigital number, since it uses as much as digits as its factorization.

2560020569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2560020569 is about 50596.6458275645. The cubic root of 2560020569 is about 1367.9844211331.

The spelling of 2560020569 in words is "two billion, five hundred sixty million, twenty thousand, five hundred sixty-nine".