276464849 has 2 divisors, whose sum is σ = 276464850. Its totient is φ = 276464848.
The previous prime is 276464833. The next prime is 276464873. The reversal of 276464849 is 948464672.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 275792449 + 672400 = 16607^2 + 820^2 .
It is a cyclic number.
It is not a de Polignac number, because 276464849 - 24 = 276464833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 276464797 and 276464806.
It is not a weakly prime, because it can be changed into another prime (276464819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138232424 + 138232425.
It is an arithmetic number, because the mean of its divisors is an integer number (138232425).
Almost surely, 2276464849 is an apocalyptic number.
It is an amenable number.
276464849 is a deficient number, since it is larger than the sum of its proper divisors (1).
276464849 is an equidigital number, since it uses as much as digits as its factorization.
276464849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2322432, while the sum is 50.
The square root of 276464849 is about 16627.2321509023. The cubic root of 276464849 is about 651.4483278403.
The spelling of 276464849 in words is "two hundred seventy-six million, four hundred sixty-four thousand, eight hundred forty-nine".
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