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2485209589 is a prime number
BaseRepresentation
bin1001010000100001…
…0100100111110101
320102012100201122121
42110020110213311
520042203201324
61050334355541
7115404635002
oct22410244765
96365321577
102485209589
111065921825
1259435bbb1
13307b51325
141980c08a9
15e82a85e4
hex942149f5

2485209589 has 2 divisors, whose sum is σ = 2485209590. Its totient is φ = 2485209588.

The previous prime is 2485209541. The next prime is 2485209611. The reversal of 2485209589 is 9859025842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2328834564 + 156375025 = 48258^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485209589 - 215 = 2485176821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2485209509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242604794 + 1242604795.

It is an arithmetic number, because the mean of its divisors is an integer number (1242604795).

Almost surely, 22485209589 is an apocalyptic number.

It is an amenable number.

2485209589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485209589 is an equidigital number, since it uses as much as digits as its factorization.

2485209589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 2485209589 is about 49851.8764842408. The cubic root of 2485209589 is about 1354.5270225504.

The spelling of 2485209589 in words is "two billion, four hundred eighty-five million, two hundred nine thousand, five hundred eighty-nine".