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8608289149 is a prime number
BaseRepresentation
bin10000000010001100…
…00001000101111101
3211012221000101202001
420001012001011331
5120112210223044
63542105302301
7423215151625
oct100106010575
924187011661
108608289149
113718178059
121802a94991
13a72581925
145b93ab885
15355b042d4
hex20118117d

8608289149 has 2 divisors, whose sum is σ = 8608289150. Its totient is φ = 8608289148.

The previous prime is 8608289147. The next prime is 8608289231. The reversal of 8608289149 is 9419828068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6471076249 + 2137212900 = 80443^2 + 46230^2 .

It is a cyclic number.

It is not a de Polignac number, because 8608289149 - 21 = 8608289147 is a prime.

It is a super-2 number, since 2×86082891492 (a number of 21 digits) contains 22 as substring.

Together with 8608289147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8608289149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8608289147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304144574 + 4304144575.

It is an arithmetic number, because the mean of its divisors is an integer number (4304144575).

Almost surely, 28608289149 is an apocalyptic number.

It is an amenable number.

8608289149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8608289149 is an equidigital number, since it uses as much as digits as its factorization.

8608289149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 8608289149 is about 92780.8662871823. The cubic root of 8608289149 is about 2049.4576514128.

The spelling of 8608289149 in words is "eight billion, six hundred eight million, two hundred eighty-nine thousand, one hundred forty-nine".