21143484606 has 16 divisors (see below), whose sum is σ = 42289663248. Its totient is φ = 7047379200.

The previous prime is 21143484587. The next prime is 21143484611. The reversal of 21143484606 is 60648434112.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 205646.

It is an arithmetic number, because the mean of its divisors is an integer number (2643103953).

Almost surely, 2^21143484606 is an apocalyptic number.

21143484606 is an abundant number, since it is smaller than the sum of its proper divisors (21146178642).

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

21143484606 is a wasteful number, since it uses less digits than its factorization.

21143484606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224507.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 21143484606 in words is "twenty-one billion, one hundred forty-three million, four hundred eighty-four thousand, six hundred six".