21224496383 has 4 divisors (see below), whose sum is σ = 22341575160. Its totient is φ = 20107417608.

The previous prime is 21224496317. The next prime is 21224496427. The reversal of 21224496383 is 38369442212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21224496383 - 2¹⁴ = 21224479999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21224496283) by changing a digit.

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, 558539360 + ... + 558539397.

It is an arithmetic number, because the mean of its divisors is an integer number (5585393790).

Almost surely, 2^21224496383 is an apocalyptic number.

21224496383 is a deficient number, since it is larger than the sum of its proper divisors (1117078777).

21224496383 is a wasteful number, since it uses less digits than its factorization.

21224496383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117078776.

The product of its digits is 497664, while the sum is 44.

The spelling of 21224496383 in words is "twenty-one billion, two hundred twenty-four million, four hundred ninety-six thousand, three hundred eighty-three".