21832847854 has 8 divisors (see below), whose sum is σ = 32750306568. Its totient is φ = 10916079000.

The previous prime is 21832847851. The next prime is 21832847887. The reversal of 21832847854 is 45874823812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21832847851) by changing a digit.

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, 84337 + ... + 225340.

It is an arithmetic number, because the mean of its divisors is an integer number (4093788321).

Almost surely, 2^21832847854 is an apocalyptic number.

21832847854 is a deficient number, since it is larger than the sum of its proper divisors (10917458714).

21832847854 is a wasteful number, since it uses less digits than its factorization.

21832847854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344930.

The product of its digits is 3440640, while the sum is 52.

The spelling of 21832847854 in words is "twenty-one billion, eight hundred thirty-two million, eight hundred forty-seven thousand, eight hundred fifty-four".