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42394254341 is a prime number
BaseRepresentation
bin100111011110111001…
…001111110000000101
311001102112021021000012
4213132321033300011
51143310412114331
631250424000005
73030366134105
oct473671176005
9131375237005
1042394254341
1116a854a683a
128271900005
133cc8108bca
1420a2573205
151181cc582b
hex9dee4fc05

42394254341 has 2 divisors, whose sum is σ = 42394254342. Its totient is φ = 42394254340.

The previous prime is 42394254319. The next prime is 42394254347. The reversal of 42394254341 is 14345249324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40191829441 + 2202424900 = 200479^2 + 46930^2 .

It is a cyclic number.

It is not a de Polignac number, because 42394254341 - 230 = 41320512517 is a prime.

It is a super-2 number, since 2×423942543412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42394254347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21197127170 + 21197127171.

It is an arithmetic number, because the mean of its divisors is an integer number (21197127171).

Almost surely, 242394254341 is an apocalyptic number.

It is an amenable number.

42394254341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42394254341 is an equidigital number, since it uses as much as digits as its factorization.

42394254341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 41.

The spelling of 42394254341 in words is "forty-two billion, three hundred ninety-four million, two hundred fifty-four thousand, three hundred forty-one".