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14809231819 is a prime number
BaseRepresentation
bin11011100101011001…
…01111000111001011
31102020002011220221101
431302230233013023
5220312130404234
610445301122231
71032662251654
oct156254570713
942202156841
1014809231819
11630a475068
122a536b9377
131520174a85
14a06b6652b
155ba1d0814
hex372b2f1cb

14809231819 has 2 divisors, whose sum is σ = 14809231820. Its totient is φ = 14809231818.

The previous prime is 14809231817. The next prime is 14809231831. The reversal of 14809231819 is 91813290841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14809231819 - 21 = 14809231817 is a prime.

It is a super-2 number, since 2×148092318192 (a number of 21 digits) contains 22 as substring.

Together with 14809231817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14809231813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7404615909 + 7404615910.

It is an arithmetic number, because the mean of its divisors is an integer number (7404615910).

Almost surely, 214809231819 is an apocalyptic number.

14809231819 is a deficient number, since it is larger than the sum of its proper divisors (1).

14809231819 is an equidigital number, since it uses as much as digits as its factorization.

14809231819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 14809231819 in words is "fourteen billion, eight hundred nine million, two hundred thirty-one thousand, eight hundred nineteen".