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6536808497 is a prime number
BaseRepresentation
bin1100001011001111…
…11100100000110001
3121212120011021111102
412011213330200301
5101341410332442
63000350254145
7320662645502
oct60547744061
917776137442
106536808497
112854948a7a
1213251b7355
1380236ab2b
14460226ba9
15283d22232
hex1859fc831

6536808497 has 2 divisors, whose sum is σ = 6536808498. Its totient is φ = 6536808496.

The previous prime is 6536808427. The next prime is 6536808557. The reversal of 6536808497 is 7948086356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3404839201 + 3131969296 = 58351^2 + 55964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6536808497 is a prime.

It is not a weakly prime, because it can be changed into another prime (6536808427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268404248 + 3268404249.

It is an arithmetic number, because the mean of its divisors is an integer number (3268404249).

Almost surely, 26536808497 is an apocalyptic number.

It is an amenable number.

6536808497 is a deficient number, since it is larger than the sum of its proper divisors (1).

6536808497 is an equidigital number, since it uses as much as digits as its factorization.

6536808497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 6536808497 is about 80850.5318288012. The cubic root of 6536808497 is about 1869.7717220653.

The spelling of 6536808497 in words is "six billion, five hundred thirty-six million, eight hundred eight thousand, four hundred ninety-seven".