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389999996906713 is a prime number
BaseRepresentation
bin101100010101100111111001…
…1010001110010110011011001
31220010212122011100012201010021
41120223033303101302303121
5402104224443202003323
63501243305235350441
7145101366330052504
oct13053176321626331
91803778140181107
10389999996906713
111032a2084a7a646
12378a8741a52421
131397cac387b5ab
146c44159d5213b
153014bdccc905d
hex162b3f3472cd9

389999996906713 has 2 divisors, whose sum is σ = 389999996906714. Its totient is φ = 389999996906712.

The previous prime is 389999996906657. The next prime is 389999996906731. The reversal of 389999996906713 is 317609699999983.

Together with next prime (389999996906731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250569999336409 + 139429997570304 = 15829403^2 + 11808048^2 .

It is a cyclic number.

It is not a de Polignac number, because 389999996906713 - 245 = 354815624817881 is a prime.

It is a super-2 number, since 2×3899999969067132 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (389999996906413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194999998453356 + 194999998453357.

It is an arithmetic number, because the mean of its divisors is an integer number (194999998453357).

Almost surely, 2389999996906713 is an apocalyptic number.

It is an amenable number.

389999996906713 is a deficient number, since it is larger than the sum of its proper divisors (1).

389999996906713 is an equidigital number, since it uses as much as digits as its factorization.

389999996906713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86782189536, while the sum is 97.

The spelling of 389999996906713 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, seven hundred thirteen".