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2385459649 is a prime number
BaseRepresentation
bin1000111000101111…
…0011100111000001
320011020122220110101
42032023303213001
514341134202044
61032412402401
7113054033566
oct21613634701
96136586411
102385459649
111014591161
12566a76401
132c02975b1
14188b5686d
15de652cd4
hex8e2f39c1

2385459649 has 2 divisors, whose sum is σ = 2385459650. Its totient is φ = 2385459648.

The previous prime is 2385459631. The next prime is 2385459673. The reversal of 2385459649 is 9469545832.

2385459649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1880783424 + 504676225 = 43368^2 + 22465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385459649 - 27 = 2385459521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2385459649.

It is not a weakly prime, because it can be changed into another prime (2385459679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192729824 + 1192729825.

It is an arithmetic number, because the mean of its divisors is an integer number (1192729825).

Almost surely, 22385459649 is an apocalyptic number.

It is an amenable number.

2385459649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385459649 is an equidigital number, since it uses as much as digits as its factorization.

2385459649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 55.

The square root of 2385459649 is about 48841.1675638492. The cubic root of 2385459649 is about 1336.1565907701.

The spelling of 2385459649 in words is "two billion, three hundred eighty-five million, four hundred fifty-nine thousand, six hundred forty-nine".