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18442141589467 is a prime number
BaseRepresentation
bin1000011000101111001010…
…10011000101111111011011
32102022001101120000120122101
410030113211103011333123
54404124001221330332
6103120111453504231
73612254314020451
oct414274523057733
972261346016571
1018442141589467
1159702a5161542
12209a263aa2077
13a3a11803026b
1447a8667329d1
1521eac82b8ae7
hex10c5e54c5fdb

18442141589467 has 2 divisors, whose sum is σ = 18442141589468. Its totient is φ = 18442141589466.

The previous prime is 18442141589453. The next prime is 18442141589507. The reversal of 18442141589467 is 76498514124481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18442141589467 - 223 = 18442133200859 is a prime.

It is a super-2 number, since 2×184421415894672 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18442141589399 and 18442141589408.

It is not a weakly prime, because it can be changed into another prime (18442141589407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9221070794733 + 9221070794734.

It is an arithmetic number, because the mean of its divisors is an integer number (9221070794734).

Almost surely, 218442141589467 is an apocalyptic number.

18442141589467 is a deficient number, since it is larger than the sum of its proper divisors (1).

18442141589467 is an equidigital number, since it uses as much as digits as its factorization.

18442141589467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61931520, while the sum is 64.

The spelling of 18442141589467 in words is "eighteen trillion, four hundred forty-two billion, one hundred forty-one million, five hundred eighty-nine thousand, four hundred sixty-seven".