2820648475 has 12 divisors (see below), whose sum is σ = 3523138344. Its totient is φ = 2240045120.

The previous prime is 2820648473. The next prime is 2820648497. The reversal of 2820648475 is 5748460282.

It is not a de Polignac number, because 2820648475 - 2¹ = 2820648473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820648473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408349 + ... + 415198.

It is an arithmetic number, because the mean of its divisors is an integer number (293594862).

Almost surely, 2^2820648475 is an apocalyptic number.

2820648475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820648475 is a deficient number, since it is larger than the sum of its proper divisors (702489869).

2820648475 is a wasteful number, since it uses less digits than its factorization.

2820648475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823694 (or 823689 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 2820648475 is about 53109.7775837934. Note that the first 3 decimals coincide. The cubic root of 2820648475 is about 1412.9159304521.

The spelling of 2820648475 in words is "two billion, eight hundred twenty million, six hundred forty-eight thousand, four hundred seventy-five".