2128147696 has 20 divisors (see below), whose sum is σ = 4144656352. Its totient is φ = 1058558976.

The previous prime is 2128147667. The next prime is 2128147709. The reversal of 2128147696 is 6967418212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341496 + ... + 347671.

Almost surely, 2^2128147696 is an apocalyptic number.

It is an amenable number.

2128147696 is a deficient number, since it is larger than the sum of its proper divisors (2016508656).

2128147696 is a wasteful number, since it uses less digits than its factorization.

2128147696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689368 (or 689362 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 2128147696 is about 46131.8512093326. The cubic root of 2128147696 is about 1286.2752753128.

The spelling of 2128147696 in words is "two billion, one hundred twenty-eight million, one hundred forty-seven thousand, six hundred ninety-six".