21824303245 has 8 divisors (see below), whose sum is σ = 26257545216. Its totient is φ = 17413855056.

The previous prime is 21824303233. The next prime is 21824303269. The reversal of 21824303245 is 54230342812.

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

It is a cyclic number.

It is not a de Polignac number, because 21824303245 - 2¹¹ = 21824301197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21824303245.

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, 5696337 + ... + 5700166.

It is an arithmetic number, because the mean of its divisors is an integer number (3282193152).

Almost surely, 2^21824303245 is an apocalyptic number.

It is an amenable number.

21824303245 is a deficient number, since it is larger than the sum of its proper divisors (4433241971).

21824303245 is a wasteful number, since it uses less digits than its factorization.

21824303245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396891.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 21824303245 in words is "twenty-one billion, eight hundred twenty-four million, three hundred three thousand, two hundred forty-five".