21470025676 has 48 divisors (see below), whose sum is σ = 41282680320. Its totient is φ = 9689141120.

The previous prime is 21470025641. The next prime is 21470025691. The reversal of 21470025676 is 67652007412.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10528665 + ... + 10530703.

It is an arithmetic number, because the mean of its divisors is an integer number (860055840).

Almost surely, 2^21470025676 is an apocalyptic number.

It is an amenable number.

21470025676 is a deficient number, since it is larger than the sum of its proper divisors (19812654644).

21470025676 is a wasteful number, since it uses less digits than its factorization.

21470025676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 21470025676 in words is "twenty-one billion, four hundred seventy million, twenty-five thousand, six hundred seventy-six".