21423425166282 has 8 divisors (see below), whose sum is σ = 42846850332576. Its totient is φ = 7141141722092.

The previous prime is 21423425166211. The next prime is 21423425166337. The reversal of 21423425166282 is 28266152432412.

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

21423425166282 is an admirable number.

It is a super-3 number, since 3×21423425166282³ (a number of 41 digits) contains 333 as substring.

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, 1785285430518 + ... + 1785285430529.

It is an arithmetic number, because the mean of its divisors is an integer number (5355856291572).

Almost surely, 2^{21423425166282} is an apocalyptic number.

21423425166282 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.

21423425166282 is a wasteful number, since it uses less digits than its factorization.

21423425166282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570570861052.

The product of its digits is 2211840, while the sum is 48.

Adding to 21423425166282 its reverse (28266152432412), we get a palindrome (49689577598694).

The spelling of 21423425166282 in words is "twenty-one trillion, four hundred twenty-three billion, four hundred twenty-five million, one hundred sixty-six thousand, two hundred eighty-two".