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64484806277 is a prime number
BaseRepresentation
bin111100000011100110…
…000000111010000101
320011110001112120101102
4330003212000322011
52024031102300102
645342433105445
74441664544443
oct740346007205
9204401476342
1064484806277
1125390aa0431
12105b79b8285
136108944108
14319a365b93
151a2633e402
hexf03980e85

64484806277 has 2 divisors, whose sum is σ = 64484806278. Its totient is φ = 64484806276.

The previous prime is 64484806193. The next prime is 64484806297. The reversal of 64484806277 is 77260848446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64474858561 + 9947716 = 253919^2 + 3154^2 .

It is a cyclic number.

It is not a de Polignac number, because 64484806277 - 212 = 64484802181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64484806297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32242403138 + 32242403139.

It is an arithmetic number, because the mean of its divisors is an integer number (32242403139).

Almost surely, 264484806277 is an apocalyptic number.

It is an amenable number.

64484806277 is a deficient number, since it is larger than the sum of its proper divisors (1).

64484806277 is an equidigital number, since it uses as much as digits as its factorization.

64484806277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14450688, while the sum is 56.

The spelling of 64484806277 in words is "sixty-four billion, four hundred eighty-four million, eight hundred six thousand, two hundred seventy-seven".