21482319007873 has 8 divisors (see below), whose sum is σ = 22075296337088. Its totient is φ = 20889992947824.

The previous prime is 21482319007859. The next prime is 21482319007943. The reversal of 21482319007873 is 37870091328412.

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

It is a cyclic number.

It is not a de Polignac number, because 21482319007873 - 2¹³ = 21482318999681 is a prime.

It is a super-2 number, since 2×21482319007873² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21482319007573) 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, 162750411 + ... + 162882352.

It is an arithmetic number, because the mean of its divisors is an integer number (2759412042136).

Almost surely, 2^{21482319007873} is an apocalyptic number.

It is an amenable number.

21482319007873 is a deficient number, since it is larger than the sum of its proper divisors (592977329215).

21482319007873 is a wasteful number, since it uses less digits than its factorization.

21482319007873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325634583.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 21482319007873 in words is "twenty-one trillion, four hundred eighty-two billion, three hundred nineteen million, seven thousand, eight hundred seventy-three".