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12955291966597 is a prime number
BaseRepresentation
bin1011110010000110001110…
…0100110101110010000101
31200212111212120110010002111
42330201203210311302011
53144224414220412342
643315325020141021
72504663132523601
oct274414344656205
950774776403074
1012955291966597
114145343631562
1215529a5097771
1372c8a93c1696
1432b07a478501
15176ee46bc217
hexbc863935c85

12955291966597 has 2 divisors, whose sum is σ = 12955291966598. Its totient is φ = 12955291966596.

The previous prime is 12955291966579. The next prime is 12955291966621. The reversal of 12955291966597 is 79566919255921.

Together with previous prime (12955291966579) 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., 7473695245636 + 5481596720961 = 2733806^2 + 2341281^2 .

It is a cyclic number.

It is not a de Polignac number, because 12955291966597 - 27 = 12955291966469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12955291936597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477645983298 + 6477645983299.

It is an arithmetic number, because the mean of its divisors is an integer number (6477645983299).

Almost surely, 212955291966597 is an apocalyptic number.

It is an amenable number.

12955291966597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955291966597 is an equidigital number, since it uses as much as digits as its factorization.

12955291966597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686000, while the sum is 76.

The spelling of 12955291966597 in words is "twelve trillion, nine hundred fifty-five billion, two hundred ninety-one million, nine hundred sixty-six thousand, five hundred ninety-seven".