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379504261956217 is a prime number
BaseRepresentation
bin101011001001010000011100…
…0101110011000001001111001
31211202201020211112012201001211
41112102200320232120021321
5344220244212030044332
63423045503502043121
7142636164252014266
oct12622407056301171
91752636745181054
10379504261956217
11aaa15943244a32
12366925755794a1
131339b1380a8448
1469a016622a26d
152dd1b9b8d1447
hex1592838b98279

379504261956217 has 2 divisors, whose sum is σ = 379504261956218. Its totient is φ = 379504261956216.

The previous prime is 379504261956077. The next prime is 379504261956271. The reversal of 379504261956217 is 712659162405973.

Together with next prime (379504261956271) 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., 214334753310976 + 165169508645241 = 14640176^2 + 12851829^2 .

It is a cyclic number.

It is not a de Polignac number, because 379504261956217 - 235 = 379469902217849 is a prime.

It is not a weakly prime, because it can be changed into another prime (379504261956317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189752130978108 + 189752130978109.

It is an arithmetic number, because the mean of its divisors is an integer number (189752130978109).

Almost surely, 2379504261956217 is an apocalyptic number.

It is an amenable number.

379504261956217 is a deficient number, since it is larger than the sum of its proper divisors (1).

379504261956217 is an equidigital number, since it uses as much as digits as its factorization.

379504261956217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171460800, while the sum is 67.

The spelling of 379504261956217 in words is "three hundred seventy-nine trillion, five hundred four billion, two hundred sixty-one million, nine hundred fifty-six thousand, two hundred seventeen".