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14312621369 is a prime number
BaseRepresentation
bin11010101010001100…
…10100010100111001
31100221110201111110202
431111012110110321
5213303012340434
610324121051545
71014452163044
oct152506242471
940843644422
1014312621369
116085113302
122935326bb5
131471308737
1499ac13c5b
1558b7d6a7e
hex355194539

14312621369 has 2 divisors, whose sum is σ = 14312621370. Its totient is φ = 14312621368.

The previous prime is 14312621363. The next prime is 14312621383. The reversal of 14312621369 is 96312621341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8133875344 + 6178746025 = 90188^2 + 78605^2 .

It is an emirp because it is prime and its reverse (96312621341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14312621369 - 228 = 14044185913 is a prime.

It is a super-2 number, since 2×143126213692 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14312621363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156310684 + 7156310685.

It is an arithmetic number, because the mean of its divisors is an integer number (7156310685).

Almost surely, 214312621369 is an apocalyptic number.

It is an amenable number.

14312621369 is a deficient number, since it is larger than the sum of its proper divisors (1).

14312621369 is an equidigital number, since it uses as much as digits as its factorization.

14312621369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The spelling of 14312621369 in words is "fourteen billion, three hundred twelve million, six hundred twenty-one thousand, three hundred sixty-nine".