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64222116347 is a prime number
BaseRepresentation
bin111011110011111011…
…111011100111111011
320010202202020112112202
4323303323323213323
52023011330210342
645300410500415
74432324660544
oct736373734773
9203682215482
1064222116347
112526678a614
1210543a3470b
1360963aa69c
1431735054cb
151a0d250332
hexef3efb9fb

64222116347 has 2 divisors, whose sum is σ = 64222116348. Its totient is φ = 64222116346.

The previous prime is 64222116331. The next prime is 64222116389. The reversal of 64222116347 is 74361122246.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64222116347 - 24 = 64222116331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64222116347.

It is not a weakly prime, because it can be changed into another prime (64222116317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32111058173 + 32111058174.

It is an arithmetic number, because the mean of its divisors is an integer number (32111058174).

Almost surely, 264222116347 is an apocalyptic number.

64222116347 is a deficient number, since it is larger than the sum of its proper divisors (1).

64222116347 is an equidigital number, since it uses as much as digits as its factorization.

64222116347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The spelling of 64222116347 in words is "sixty-four billion, two hundred twenty-two million, one hundred sixteen thousand, three hundred forty-seven".