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8480424989 is a prime number
BaseRepresentation
bin1111110010111100…
…10000010000011101
3210220000102020002102
413321132100100131
5114331442044424
63521300534445
7420103265051
oct77136202035
923800366072
108480424989
113661a848a3
1217880b1425
13a51c3336a
145a6405c61
153497987ae
hex1f979041d

8480424989 has 2 divisors, whose sum is σ = 8480424990. Its totient is φ = 8480424988.

The previous prime is 8480424949. The next prime is 8480425001. The reversal of 8480424989 is 9894240848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7151239225 + 1329185764 = 84565^2 + 36458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8480424989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8480424919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240212494 + 4240212495.

It is an arithmetic number, because the mean of its divisors is an integer number (4240212495).

Almost surely, 28480424989 is an apocalyptic number.

It is an amenable number.

8480424989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480424989 is an equidigital number, since it uses as much as digits as its factorization.

8480424989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The square root of 8480424989 is about 92089.2229796734. Note that the first 3 decimals coincide. The cubic root of 8480424989 is about 2039.2597106459.

The spelling of 8480424989 in words is "eight billion, four hundred eighty million, four hundred twenty-four thousand, nine hundred eighty-nine".