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8445070819 is a prime number
BaseRepresentation
bin1111101110101110…
…11000110111100011
3210210112220001021201
413313113120313203
5114243414231234
63513555102031
7416163626503
oct76727306743
923715801251
108445070819
113644027779
1217782a1917
13a47805333
145a1841a03
15346613314
hex1f75d8de3

8445070819 has 2 divisors, whose sum is σ = 8445070820. Its totient is φ = 8445070818.

The previous prime is 8445070813. The next prime is 8445070877. The reversal of 8445070819 is 9180705448.

8445070819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8445070819 - 215 = 8445038051 is a prime.

It is a super-2 number, since 2×84450708192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8445070813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222535409 + 4222535410.

It is an arithmetic number, because the mean of its divisors is an integer number (4222535410).

Almost surely, 28445070819 is an apocalyptic number.

8445070819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8445070819 is an equidigital number, since it uses as much as digits as its factorization.

8445070819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 8445070819 is about 91897.0664330478. The cubic root of 8445070819 is about 2036.4219301065.

The spelling of 8445070819 in words is "eight billion, four hundred forty-five million, seventy thousand, eight hundred nineteen".