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42397565363 is a prime number
BaseRepresentation
bin100111011111000101…
…111000000110110011
311001102202111110212122
4213133011320012303
51143312234042423
631251022544455
73030436234166
oct473705700663
9131382443778
1042397565363
1116a8735841a
128272a3812b
133cc89c7caa
1420a2b95add
15118222b8c8
hex9df1781b3

42397565363 has 2 divisors, whose sum is σ = 42397565364. Its totient is φ = 42397565362.

The previous prime is 42397565351. The next prime is 42397565381. The reversal of 42397565363 is 36356579324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42397565363 - 214 = 42397548979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42397565303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21198782681 + 21198782682.

It is an arithmetic number, because the mean of its divisors is an integer number (21198782682).

Almost surely, 242397565363 is an apocalyptic number.

42397565363 is a deficient number, since it is larger than the sum of its proper divisors (1).

42397565363 is an equidigital number, since it uses as much as digits as its factorization.

42397565363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 53.

The spelling of 42397565363 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-five thousand, three hundred sixty-three".