21470740713676 has 24 divisors (see below), whose sum is σ = 39211051317984. Its totient is φ = 10267669188480.

The previous prime is 21470740713599. The next prime is 21470740713677. The reversal of 21470740713676 is 67631704707412.

It is not an unprimeable number, because it can be changed into a prime (21470740713677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9744625 + ... + 11743048.

It is an arithmetic number, because the mean of its divisors is an integer number (1633793804916).

Almost surely, 2^{21470740713676} is an apocalyptic number.

It is an amenable number.

21470740713676 is a deficient number, since it is larger than the sum of its proper divisors (17740310604308).

21470740713676 is a wasteful number, since it uses less digits than its factorization.

21470740713676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498561 (or 21498559 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 55.

The spelling of 21470740713676 in words is "twenty-one trillion, four hundred seventy billion, seven hundred forty million, seven hundred thirteen thousand, six hundred seventy-six".