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69220838417 is a prime number
BaseRepresentation
bin100000001110111100…
…0100010110000010001
320121200010012221010012
41000131320202300101
52113231013312132
651444414444305
75000233263353
oct1003570426021
9217603187105
1069220838417
11273a13a4485
12114b9b03695
1366b1bac6b3
1434c93530d3
151c020030b2
hex101de22c11

69220838417 has 2 divisors, whose sum is σ = 69220838418. Its totient is φ = 69220838416.

The previous prime is 69220838389. The next prime is 69220838419. The reversal of 69220838417 is 71483802296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62718190096 + 6502648321 = 250436^2 + 80639^2 .

It is a cyclic number.

It is not a de Polignac number, because 69220838417 - 222 = 69216644113 is a prime.

Together with 69220838419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69220838419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34610419208 + 34610419209.

It is an arithmetic number, because the mean of its divisors is an integer number (34610419209).

Almost surely, 269220838417 is an apocalyptic number.

It is an amenable number.

69220838417 is a deficient number, since it is larger than the sum of its proper divisors (1).

69220838417 is an equidigital number, since it uses as much as digits as its factorization.

69220838417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 69220838417 in words is "sixty-nine billion, two hundred twenty million, eight hundred thirty-eight thousand, four hundred seventeen".