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854168900234497 is a prime number
BaseRepresentation
bin1100001000110111001011000…
…1111000000110110100000001
311011000100202020021222002211021
43002031302301320012310001
51343424200401430000442
612224355435311345441
7344626444423532041
oct30215626170066401
94130322207862737
10854168900234497
11228189aa6055001
127b9737a4522281
132a87ca21443253
14110cddd1395721
1568b3d5ed85e67
hex308dcb1e06d01

854168900234497 has 2 divisors, whose sum is σ = 854168900234498. Its totient is φ = 854168900234496.

The previous prime is 854168900234431. The next prime is 854168900234509. The reversal of 854168900234497 is 794432009861458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676400251228416 + 177768649006081 = 26007696^2 + 13332991^2 .

It is a cyclic number.

It is not a de Polignac number, because 854168900234497 - 243 = 845372807212289 is a prime.

It is not a weakly prime, because it can be changed into another prime (854168900231497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427084450117248 + 427084450117249.

It is an arithmetic number, because the mean of its divisors is an integer number (427084450117249).

It is a 1-persistent number, because it is pandigital, but 2⋅854168900234497 = 1708337800468994 is not.

Almost surely, 2854168900234497 is an apocalyptic number.

It is an amenable number.

854168900234497 is a deficient number, since it is larger than the sum of its proper divisors (1).

854168900234497 is an equidigital number, since it uses as much as digits as its factorization.

854168900234497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 418037760, while the sum is 70.

The spelling of 854168900234497 in words is "eight hundred fifty-four trillion, one hundred sixty-eight billion, nine hundred million, two hundred thirty-four thousand, four hundred ninety-seven".