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54719091769 is a prime number
BaseRepresentation
bin110010111101100000…
…110001010000111001
312020020110121212112111
4302331200301100321
51344031041414034
641045420012321
73644663414536
oct627540612071
9166213555474
1054719091769
112122a5565a1
12a7313910a1
135210656714
14291138bd8d
151653d0e364
hexcbd831439

54719091769 has 2 divisors, whose sum is σ = 54719091770. Its totient is φ = 54719091768.

The previous prime is 54719091733. The next prime is 54719091787. The reversal of 54719091769 is 96719091745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54216794025 + 502297744 = 232845^2 + 22412^2 .

It is a cyclic number.

It is not a de Polignac number, because 54719091769 - 29 = 54719091257 is a prime.

It is a super-2 number, since 2×547190917692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54719091719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359545884 + 27359545885.

It is an arithmetic number, because the mean of its divisors is an integer number (27359545885).

Almost surely, 254719091769 is an apocalyptic number.

It is an amenable number.

54719091769 is a deficient number, since it is larger than the sum of its proper divisors (1).

54719091769 is an equidigital number, since it uses as much as digits as its factorization.

54719091769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 54719091769 in words is "fifty-four billion, seven hundred nineteen million, ninety-one thousand, seven hundred sixty-nine".