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18745710463 is a prime number
BaseRepresentation
bin10001011101010101…
…001101011101111111
31210101102100202110201
4101131111031131333
5301342400213323
612340041344331
71232351624044
oct213525153577
953342322421
1018745710463
117a4a5127a7
123771a980a7
1319c988578c
14c9b8a31cb
1574aaa98ad
hex45d54d77f

18745710463 has 2 divisors, whose sum is σ = 18745710464. Its totient is φ = 18745710462.

The previous prime is 18745710457. The next prime is 18745710499. The reversal of 18745710463 is 36401754781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18745710463 - 225 = 18712156031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18745710563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9372855231 + 9372855232.

It is an arithmetic number, because the mean of its divisors is an integer number (9372855232).

Almost surely, 218745710463 is an apocalyptic number.

18745710463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18745710463 is an equidigital number, since it uses as much as digits as its factorization.

18745710463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 18745710463 in words is "eighteen billion, seven hundred forty-five million, seven hundred ten thousand, four hundred sixty-three".