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54493704689 is a prime number
BaseRepresentation
bin110010110000000100…
…111111000111110001
312012122202112000120212
4302300010333013301
51343100342022224
641011205113505
73636255563414
oct626004770761
9165582460525
1054493704689
1121124303986
12a6899b8895
1351a5a50c98
1428cd47bb7b
15163e13cd0e
hexcb013f1f1

54493704689 has 2 divisors, whose sum is σ = 54493704690. Its totient is φ = 54493704688.

The previous prime is 54493704647. The next prime is 54493704691. The reversal of 54493704689 is 98640739445.

54493704689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42782785600 + 11710919089 = 206840^2 + 108217^2 .

It is a cyclic number.

It is not a de Polignac number, because 54493704689 - 216 = 54493639153 is a prime.

Together with 54493704691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54493704389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27246852344 + 27246852345.

It is an arithmetic number, because the mean of its divisors is an integer number (27246852345).

Almost surely, 254493704689 is an apocalyptic number.

It is an amenable number.

54493704689 is a deficient number, since it is larger than the sum of its proper divisors (1).

54493704689 is an equidigital number, since it uses as much as digits as its factorization.

54493704689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 54493704689 in words is "fifty-four billion, four hundred ninety-three million, seven hundred four thousand, six hundred eighty-nine".