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64350522287 is a prime number
BaseRepresentation
bin111011111011100101…
…110000101110101111
320011002200212020101022
4323323211300232233
52023242213203122
645321235004355
74435444262102
oct737345605657
9204080766338
1064350522287
1125322212927
121057aa396bb
1360b6b8872c
1431865ac739
151a19666642
hexefb970baf

64350522287 has 2 divisors, whose sum is σ = 64350522288. Its totient is φ = 64350522286.

The previous prime is 64350522259. The next prime is 64350522311. The reversal of 64350522287 is 78222505346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64350522287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64350522487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32175261143 + 32175261144.

It is an arithmetic number, because the mean of its divisors is an integer number (32175261144).

Almost surely, 264350522287 is an apocalyptic number.

64350522287 is a deficient number, since it is larger than the sum of its proper divisors (1).

64350522287 is an equidigital number, since it uses as much as digits as its factorization.

64350522287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 64350522287 in words is "sixty-four billion, three hundred fifty million, five hundred twenty-two thousand, two hundred eighty-seven".