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19417288384997 is a prime number
BaseRepresentation
bin1000110101000111100001…
…00100111010000111100101
32112202021102012202101220222
410122203300210322013211
510021113101311304442
6105144102405534125
74042565336020436
oct432436044720745
975667365671828
1019417288384997
11620690a0a4028
12221724a714345
13aab07230ba49
144b1b320c548d
1523a14cba78d2
hex11a8f093a1e5

19417288384997 has 2 divisors, whose sum is σ = 19417288384998. Its totient is φ = 19417288384996.

The previous prime is 19417288384979. The next prime is 19417288385041. The reversal of 19417288384997 is 79948388271491.

Together with previous prime (19417288384979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16482049116481 + 2935239268516 = 4059809^2 + 1713254^2 .

It is a cyclic number.

It is not a de Polignac number, because 19417288384997 - 210 = 19417288383973 is a prime.

It is a super-2 number, since 2×194172883849972 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19417288386997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9708644192498 + 9708644192499.

It is an arithmetic number, because the mean of its divisors is an integer number (9708644192499).

Almost surely, 219417288384997 is an apocalyptic number.

It is an amenable number.

19417288384997 is a deficient number, since it is larger than the sum of its proper divisors (1).

19417288384997 is an equidigital number, since it uses as much as digits as its factorization.

19417288384997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1755758592, while the sum is 80.

The spelling of 19417288384997 in words is "nineteen trillion, four hundred seventeen billion, two hundred eighty-eight million, three hundred eighty-four thousand, nine hundred ninety-seven".