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17849055379 is a prime number
BaseRepresentation
bin10000100111111000…
…101111100010010011
31201001221010221221011
4100213320233202103
5243023324233004
612111051111351
71201213316221
oct204770574223
951057127834
1017849055379
11762a365541
123561742557
1318b5b9073c
14c14777b11
156e6ede004
hex427e2f893

17849055379 has 2 divisors, whose sum is σ = 17849055380. Its totient is φ = 17849055378.

The previous prime is 17849055319. The next prime is 17849055397. The reversal of 17849055379 is 97355094871.

Together with next prime (17849055397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17849055379 - 219 = 17848531091 is a prime.

It is not a weakly prime, because it can be changed into another prime (17849055319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8924527689 + 8924527690.

It is an arithmetic number, because the mean of its divisors is an integer number (8924527690).

Almost surely, 217849055379 is an apocalyptic number.

17849055379 is a deficient number, since it is larger than the sum of its proper divisors (1).

17849055379 is an equidigital number, since it uses as much as digits as its factorization.

17849055379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 17849055379 in words is "seventeen billion, eight hundred forty-nine million, fifty-five thousand, three hundred seventy-nine".