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64348144823 is a prime number
BaseRepresentation
bin111011111011011100…
…101100010010110111
320011002112101110010002
4323323130230102313
52023241111113243
645321112021515
74435415130524
oct737334542267
9204075343102
1064348144823
1125320939686
121057a09189b
1360b6535551
14318615014b
151a19346eb8
hexefb72c4b7

64348144823 has 2 divisors, whose sum is σ = 64348144824. Its totient is φ = 64348144822.

The previous prime is 64348144801. The next prime is 64348144837. The reversal of 64348144823 is 32844184346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64348144823 - 216 = 64348079287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64348144843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32174072411 + 32174072412.

It is an arithmetic number, because the mean of its divisors is an integer number (32174072412).

Almost surely, 264348144823 is an apocalyptic number.

64348144823 is a deficient number, since it is larger than the sum of its proper divisors (1).

64348144823 is an equidigital number, since it uses as much as digits as its factorization.

64348144823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 47.

The spelling of 64348144823 in words is "sixty-four billion, three hundred forty-eight million, one hundred forty-four thousand, eight hundred twenty-three".