21969798596 has 12 divisors (see below), whose sum is σ = 38523586752. Its totient is φ = 10963059528.

The previous prime is 21969798589. The next prime is 21969798677. The reversal of 21969798596 is 69589796912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5457680 + ... + 5461703.

It is an arithmetic number, because the mean of its divisors is an integer number (3210298896).

Almost surely, 2^21969798596 is an apocalyptic number.

It is an amenable number.

21969798596 is a deficient number, since it is larger than the sum of its proper divisors (16553788156).

21969798596 is a wasteful number, since it uses less digits than its factorization.

21969798596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919890 (or 10919888 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 71.

The spelling of 21969798596 in words is "twenty-one billion, nine hundred sixty-nine million, seven hundred ninety-eight thousand, five hundred ninety-six".