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8389141069 is a prime number
BaseRepresentation
bin1111101000000100…
…00010001001001101
3210122122122112002111
413310002002021031
5114140110003234
63504240224021
7414614344141
oct76402021115
923578575074
108389141069
1136154a6941
12176160b011
13a39051bca
14598243221
15341766664
hex1f408224d

8389141069 has 2 divisors, whose sum is σ = 8389141070. Its totient is φ = 8389141068.

The previous prime is 8389141051. The next prime is 8389141081. The reversal of 8389141069 is 9601419838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7299480969 + 1089660100 = 85437^2 + 33010^2 .

It is a cyclic number.

It is not a de Polignac number, because 8389141069 - 25 = 8389141037 is a prime.

It is a super-2 number, since 2×83891410692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8389141469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4194570534 + 4194570535.

It is an arithmetic number, because the mean of its divisors is an integer number (4194570535).

Almost surely, 28389141069 is an apocalyptic number.

It is an amenable number.

8389141069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8389141069 is an equidigital number, since it uses as much as digits as its factorization.

8389141069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 8389141069 is about 91592.2544159712. The cubic root of 8389141069 is about 2031.9163852750.

The spelling of 8389141069 in words is "eight billion, three hundred eighty-nine million, one hundred forty-one thousand, sixty-nine".