21843062488 has 16 divisors (see below), whose sum is σ = 44106184080. Its totient is φ = 10081413408.

The previous prime is 21843062447. The next prime is 21843062509. The reversal of 21843062488 is 88426034812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105014620 + ... + 105014827.

It is an arithmetic number, because the mean of its divisors is an integer number (2756636505).

Almost surely, 2^21843062488 is an apocalyptic number.

It is an amenable number.

21843062488 is an abundant number, since it is smaller than the sum of its proper divisors (22263121592).

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

21843062488 is a wasteful number, since it uses less digits than its factorization.

21843062488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210029466 (or 210029462 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 21843062488 in words is "twenty-one billion, eight hundred forty-three million, sixty-two thousand, four hundred eighty-eight".