2194464648 has 32 divisors (see below), whose sum is σ = 5619972960. Its totient is φ = 713646720.

The previous prime is 2194464631. The next prime is 2194464683. The reversal of 2194464648 is 8464644912.

It is a junction number, because it is equal to n+sod(n) for n = 2194464597 and 2194464606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114090 + ... + 1116057.

It is an arithmetic number, because the mean of its divisors is an integer number (175624155).

Almost surely, 2^2194464648 is an apocalyptic number.

It is an amenable number.

2194464648 is an abundant number, since it is smaller than the sum of its proper divisors (3425508312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2194464648 is a wasteful number, since it uses less digits than its factorization.

2194464648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230197 (or 2230193 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 2194464648 is about 46845.1133844289. The cubic root of 2194464648 is about 1299.4997380875.

The spelling of 2194464648 in words is "two billion, one hundred ninety-four million, four hundred sixty-four thousand, six hundred forty-eight".