4289260528809 has 15 divisors (see below), whose sum is σ = 6407441720647. Its totient is φ = 2859494592888.

The previous prime is 4289260528799. The next prime is 4289260528811. The reversal of 4289260528809 is 9088250629824.

The square root of 4289260528809 is 2071053.

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

4289260528809 is a `hidden beast` number, since 4 + 2 + 8 + 9 + 26 + 0 + 528 + 80 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4239007443225 + 50253085584 = 2058885^2 + 224172^2 .

It is not a de Polignac number, because 4289260528809 - 2²¹ = 4289258431657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4289260528879) 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, 18524419 + ... + 18754535.

Almost surely, 2^{4289260528809} is an apocalyptic number.

4289260528809 is the 2071053-rd square number.

4289260528809 is the 1035527-th centered octagonal number.

It is an amenable number.

4289260528809 is a deficient number, since it is larger than the sum of its proper divisors (2118181191838).

4289260528809 is an frugal number, since it uses more digits than its factorization.

4289260528809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460246 (or 230120 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 4289260528809 in words is "four trillion, two hundred eighty-nine billion, two hundred sixty million, five hundred twenty-eight thousand, eight hundred nine".