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8342593434257 is a prime number
BaseRepresentation
bin111100101100110100101…
…0100010111001010010001
31002112112200200101002002112
41321121221110113022101
52043141112404344012
625424311242155105
71520506146106325
oct171315124271221
932475620332075
108342593434257
11272708a559075
12b28a257b2a95
1348691ab898b4
1420bad85a1985
15e7023b41122
hex79669517291

8342593434257 has 2 divisors, whose sum is σ = 8342593434258. Its totient is φ = 8342593434256.

The previous prime is 8342593434239. The next prime is 8342593434299. The reversal of 8342593434257 is 7524343952438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5342218632976 + 3000374801281 = 2311324^2 + 1732159^2 .

It is a cyclic number.

It is not a de Polignac number, because 8342593434257 - 216 = 8342593368721 is a prime.

It is a super-2 number, since 2×83425934342572 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8342593434196 and 8342593434205.

It is not a weakly prime, because it can be changed into another prime (8342593434557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171296717128 + 4171296717129.

It is an arithmetic number, because the mean of its divisors is an integer number (4171296717129).

Almost surely, 28342593434257 is an apocalyptic number.

It is an amenable number.

8342593434257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342593434257 is an equidigital number, since it uses as much as digits as its factorization.

8342593434257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 59.

The spelling of 8342593434257 in words is "eight trillion, three hundred forty-two billion, five hundred ninety-three million, four hundred thirty-four thousand, two hundred fifty-seven".