2820648497 has 2 divisors, whose sum is σ = 2820648498. Its totient is φ = 2820648496.

The previous prime is 2820648473. The next prime is 2820648529. The reversal of 2820648497 is 7948460282.

2820648497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2404529296 + 416119201 = 49036^2 + 20399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820648497 - 2¹² = 2820644401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2820648407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410324248 + 1410324249.

It is an arithmetic number, because the mean of its divisors is an integer number (1410324249).

Almost surely, 2^2820648497 is an apocalyptic number.

It is an amenable number.

2820648497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820648497 is an equidigital number, since it uses as much as digits as its factorization.

2820648497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 2820648497 is about 53109.7777909115. Note that the first 4 decimals coincide. The cubic root of 2820648497 is about 1412.9159341255.

The spelling of 2820648497 in words is "two billion, eight hundred twenty million, six hundred forty-eight thousand, four hundred ninety-seven".