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2169490441247 is a prime number
BaseRepresentation
bin11111100100011111101…
…101010000010000011111
321200101211112000100212222
4133210133231100100133
5241021104023104442
64340352233215555
7312511665325133
oct37443755202037
97611745010788
102169490441247
11767091882a18
122b0565b615bb
13129774a6a5ac
147700a9a33c3
153b677c228d2
hex1f91fb5041f

2169490441247 has 2 divisors, whose sum is σ = 2169490441248. Its totient is φ = 2169490441246.

The previous prime is 2169490441229. The next prime is 2169490441271. The reversal of 2169490441247 is 7421440949612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2169490441247 - 212 = 2169490437151 is a prime.

It is a super-3 number, since 3×21694904412473 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2169490441297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084745220623 + 1084745220624.

It is an arithmetic number, because the mean of its divisors is an integer number (1084745220624).

Almost surely, 22169490441247 is an apocalyptic number.

2169490441247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169490441247 is an equidigital number, since it uses as much as digits as its factorization.

2169490441247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 2169490441247 in words is "two trillion, one hundred sixty-nine billion, four hundred ninety million, four hundred forty-one thousand, two hundred forty-seven".