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400465006169297 is a prime number
BaseRepresentation
bin101101100001110001000011…
…0011100000000110011010001
31221111221002011211102001010112
41123003202012130000303101
5404442204313034404142
63535415030055011105
7150231433114101656
oct13303420634006321
91844832154361115
10400465006169297
11106667289977153
1238ab8974369a95
131425b8c3824c14
1470c68770c9c2d
1531470319ee382
hex16c3886700cd1

400465006169297 has 2 divisors, whose sum is σ = 400465006169298. Its totient is φ = 400465006169296.

The previous prime is 400465006169279. The next prime is 400465006169317. The reversal of 400465006169297 is 792961600564004.

Together with previous prime (400465006169279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398046231601216 + 2418774568081 = 19951096^2 + 1555241^2 .

It is a cyclic number.

It is not a de Polignac number, because 400465006169297 - 210 = 400465006168273 is a prime.

It is not a weakly prime, because it can be changed into another prime (400465006169797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200232503084648 + 200232503084649.

It is an arithmetic number, because the mean of its divisors is an integer number (200232503084649).

Almost surely, 2400465006169297 is an apocalyptic number.

It is an amenable number.

400465006169297 is a deficient number, since it is larger than the sum of its proper divisors (1).

400465006169297 is an equidigital number, since it uses as much as digits as its factorization.

400465006169297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 400465006169297 in words is "four hundred trillion, four hundred sixty-five billion, six million, one hundred sixty-nine thousand, two hundred ninety-seven".