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16440450287699 is a prime number
BaseRepresentation
bin1110111100111101011100…
…1100110000100001010011
32011012200200020200200211002
43233033113030300201103
54123330020233201244
654544345534212215
73314532453465434
oct357172714604123
964180606620732
1016440450287699
1152693a06496a9
121a1632965406b
13923435276819
1440ba173c348b
151d79c1aa4a4e
hexef3d7330853

16440450287699 has 2 divisors, whose sum is σ = 16440450287700. Its totient is φ = 16440450287698.

The previous prime is 16440450287633. The next prime is 16440450287713. The reversal of 16440450287699 is 99678205404461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16440450287699 is a prime.

It is a super-3 number, since 3×164404502876993 (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16440450287399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220225143849 + 8220225143850.

It is an arithmetic number, because the mean of its divisors is an integer number (8220225143850).

Almost surely, 216440450287699 is an apocalyptic number.

16440450287699 is a deficient number, since it is larger than the sum of its proper divisors (1).

16440450287699 is an equidigital number, since it uses as much as digits as its factorization.

16440450287699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 16440450287699 in words is "sixteen trillion, four hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, six hundred ninety-nine".