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6422105269 is a prime number
BaseRepresentation
bin1011111101100100…
…11000110010110101
3121120120022202020201
411332302120302311
5101123024332034
62541132000501
7315100664656
oct57662306265
917516282221
106422105269
1127a6124818
1212b2900131
137b4679ab8
1444ccc952d
15278c16014
hex17ec98cb5

6422105269 has 2 divisors, whose sum is σ = 6422105270. Its totient is φ = 6422105268.

The previous prime is 6422105267. The next prime is 6422105293. The reversal of 6422105269 is 9625012246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5413280625 + 1008824644 = 73575^2 + 31762^2 .

It is a cyclic number.

It is not a de Polignac number, because 6422105269 - 21 = 6422105267 is a prime.

It is a super-2 number, since 2×64221052692 = 82486872172235124722, which contains 22 as substring.

Together with 6422105267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422105267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211052634 + 3211052635.

It is an arithmetic number, because the mean of its divisors is an integer number (3211052635).

Almost surely, 26422105269 is an apocalyptic number.

It is an amenable number.

6422105269 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422105269 is an equidigital number, since it uses as much as digits as its factorization.

6422105269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6422105269 is about 80138.0388392429. The cubic root of 6422105269 is about 1858.7706515027.

The spelling of 6422105269 in words is "six billion, four hundred twenty-two million, one hundred five thousand, two hundred sixty-nine".