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9142471369 is a prime number
BaseRepresentation
bin10001000001110111…
…10000101011001001
3212121011011122222201
420200323300223021
5122210433040434
64111110520201
7442362503323
oct104073605311
925534148881
109142471369
113971761069
121931966061
13b29144495
1462a300613
15387970614
hex220ef0ac9

9142471369 has 2 divisors, whose sum is σ = 9142471370. Its totient is φ = 9142471368.

The previous prime is 9142471339. The next prime is 9142471379. The reversal of 9142471369 is 9631742419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9137065744 + 5405625 = 95588^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 9142471369 - 25 = 9142471337 is a prime.

It is a super-2 number, since 2×91424713692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9142471339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4571235684 + 4571235685.

It is an arithmetic number, because the mean of its divisors is an integer number (4571235685).

Almost surely, 29142471369 is an apocalyptic number.

It is an amenable number.

9142471369 is a deficient number, since it is larger than the sum of its proper divisors (1).

9142471369 is an equidigital number, since it uses as much as digits as its factorization.

9142471369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 9142471369 is about 95616.2714656873. The cubic root of 9142471369 is about 2091.0024242086.

The spelling of 9142471369 in words is "nine billion, one hundred forty-two million, four hundred seventy-one thousand, three hundred sixty-nine".