2109295648 has 12 divisors (see below), whose sum is σ = 4152675870. Its totient is φ = 1054647808.

The previous prime is 2109295597. The next prime is 2109295651. The reversal of 2109295648 is 8465929012.

It can be written as a sum of positive squares in only one way, i.e., 1610577424 + 498718224 = 40132^2 + 22332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2109295598 and 2109295607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32957713 + ... + 32957776.

Almost surely, 2^2109295648 is an apocalyptic number.

It is an amenable number.

2109295648 is a deficient number, since it is larger than the sum of its proper divisors (2043380222).

2109295648 is an equidigital number, since it uses as much as digits as its factorization.

2109295648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65915499 (or 65915491 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2109295648 is about 45927.0687939041. The cubic root of 2109295648 is about 1282.4658780267.

The spelling of 2109295648 in words is "two billion, one hundred nine million, two hundred ninety-five thousand, six hundred forty-eight".