21750883134 has 8 divisors (see below), whose sum is σ = 43501766280. Its totient is φ = 7250294376.

The previous prime is 21750883127. The next prime is 21750883151. The reversal of 21750883134 is 43138805712.

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

21750883134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812573589 + ... + 1812573600.

It is an arithmetic number, because the mean of its divisors is an integer number (5437720785).

Almost surely, 2^21750883134 is an apocalyptic number.

21750883134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21750883134 is a wasteful number, since it uses less digits than its factorization.

21750883134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625147194.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 21750883134 in words is "twenty-one billion, seven hundred fifty million, eight hundred eighty-three thousand, one hundred thirty-four".