21882147268 has 24 divisors (see below), whose sum is σ = 38953807200. Its totient is φ = 10752593088.

The previous prime is 21882147257. The next prime is 21882147359. The reversal of 21882147268 is 86274128812.

It is a super-3 number, since 3×21882147268³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984696 + ... + 1006672.

It is an arithmetic number, because the mean of its divisors is an integer number (1623075300).

Almost surely, 2^21882147268 is an apocalyptic number.

It is an amenable number.

21882147268 is a deficient number, since it is larger than the sum of its proper divisors (17071659932).

21882147268 is a wasteful number, since it uses less digits than its factorization.

21882147268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26259 (or 26257 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The spelling of 21882147268 in words is "twenty-one billion, eight hundred eighty-two million, one hundred forty-seven thousand, two hundred sixty-eight".