21482323567 has 4 divisors (see below), whose sum is σ = 21487258456. Its totient is φ = 21477388680.

The previous prime is 21482323559. The next prime is 21482323601. The reversal of 21482323567 is 76532328412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21482323567 - 2³ = 21482323559 is a prime.

It is a super-3 number, since 3×21482323567³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482323507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460909 + ... + 2469622.

It is an arithmetic number, because the mean of its divisors is an integer number (5371814614).

Almost surely, 2^21482323567 is an apocalyptic number.

21482323567 is a deficient number, since it is larger than the sum of its proper divisors (4934889).

21482323567 is an equidigital number, since it uses as much as digits as its factorization.

21482323567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934888.

The product of its digits is 483840, while the sum is 43.

The spelling of 21482323567 in words is "twenty-one billion, four hundred eighty-two million, three hundred twenty-three thousand, five hundred sixty-seven".