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7448456849 is a prime number
BaseRepresentation
bin1101110111111011…
…00110111010010001
3201020002120210221012
412323331212322101
5110223301104344
63231034140305
7352402560431
oct67375467221
921202523835
107448456849
113182506969
12153a581695
139191b2422
145093362c1
152d8da029e
hex1bbf66e91

7448456849 has 2 divisors, whose sum is σ = 7448456850. Its totient is φ = 7448456848.

The previous prime is 7448456833. The next prime is 7448457031. The reversal of 7448456849 is 9486548447.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7431646849 + 16810000 = 86207^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 7448456849 - 24 = 7448456833 is a prime.

It is not a weakly prime, because it can be changed into another prime (7448456549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724228424 + 3724228425.

It is an arithmetic number, because the mean of its divisors is an integer number (3724228425).

Almost surely, 27448456849 is an apocalyptic number.

It is an amenable number.

7448456849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7448456849 is an equidigital number, since it uses as much as digits as its factorization.

7448456849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30965760, while the sum is 59.

The square root of 7448456849 is about 86304.4428114799. The cubic root of 7448456849 is about 1952.9394064395.

The spelling of 7448456849 in words is "seven billion, four hundred forty-eight million, four hundred fifty-six thousand, eight hundred forty-nine".