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8480474869 is a prime number
BaseRepresentation
bin1111110010111100…
…11100011011110101
3210220000111202111211
413321132130123311
5114332000143434
63521302001421
7420103563346
oct77136343365
923800452454
108480474869
113662009319
121788116271
13a51c4cc89
145a641a0cd
153497a8464
hex1f979c6f5

8480474869 has 2 divisors, whose sum is σ = 8480474870. Its totient is φ = 8480474868.

The previous prime is 8480474773. The next prime is 8480474881. The reversal of 8480474869 is 9684740848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6277392900 + 2203081969 = 79230^2 + 46937^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480474869 - 27 = 8480474741 is a prime.

It is a super-2 number, since 2×84804748692 (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 (8480414869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240237434 + 4240237435.

It is an arithmetic number, because the mean of its divisors is an integer number (4240237435).

Almost surely, 28480474869 is an apocalyptic number.

It is an amenable number.

8480474869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480474869 is an equidigital number, since it uses as much as digits as its factorization.

8480474869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The square root of 8480474869 is about 92089.4938035822. The cubic root of 8480474869 is about 2039.2637087976.

The spelling of 8480474869 in words is "eight billion, four hundred eighty million, four hundred seventy-four thousand, eight hundred sixty-nine".