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530705125669 is a prime number
BaseRepresentation
bin1111011100100000111…
…11011001000100100101
31212201211202022201012011
413232100133121010211
532143341003010134
61043445204354221
753225240065225
oct7562037310445
91781752281164
10530705125669
11195086231914
1286a300a5971
133b0786282a4
141b98717c085
15dc115e3264
hex7b907d9125

530705125669 has 2 divisors, whose sum is σ = 530705125670. Its totient is φ = 530705125668.

The previous prime is 530705125667. The next prime is 530705125739. The reversal of 530705125669 is 966521507035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472883152225 + 57821973444 = 687665^2 + 240462^2 .

It is a cyclic number.

It is not a de Polignac number, because 530705125669 - 21 = 530705125667 is a prime.

It is a super-2 number, since 2×5307051256692 (a number of 24 digits) contains 22 as substring.

Together with 530705125667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530705125667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265352562834 + 265352562835.

It is an arithmetic number, because the mean of its divisors is an integer number (265352562835).

Almost surely, 2530705125669 is an apocalyptic number.

It is an amenable number.

530705125669 is a deficient number, since it is larger than the sum of its proper divisors (1).

530705125669 is an equidigital number, since it uses as much as digits as its factorization.

530705125669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 49.

The spelling of 530705125669 in words is "five hundred thirty billion, seven hundred five million, one hundred twenty-five thousand, six hundred sixty-nine".