21753024382 has 16 divisors (see below), whose sum is σ = 33414635520. Its totient is φ = 10616074488.

The previous prime is 21753024367. The next prime is 21753024409. The reversal of 21753024382 is 28342035712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280782 + ... + 349777.

It is an arithmetic number, because the mean of its divisors is an integer number (2088414720).

Almost surely, 2^21753024382 is an apocalyptic number.

21753024382 is a deficient number, since it is larger than the sum of its proper divisors (11661611138).

21753024382 is a wasteful number, since it uses less digits than its factorization.

21753024382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630975.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 21753024382 in words is "twenty-one billion, seven hundred fifty-three million, twenty-four thousand, three hundred eighty-two".