21733340050 has 36 divisors (see below), whose sum is σ = 40529272590. Its totient is φ = 8670744960.

The previous prime is 21733340047. The next prime is 21733340063. The reversal of 21733340050 is 5004333712.

It can be written as a sum of positive squares in 9 ways, for example, as 17337252241 + 4396087809 = 131671^2 + 66303^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26864046 + ... + 26864854.

Almost surely, 2^21733340050 is an apocalyptic number.

21733340050 is a deficient number, since it is larger than the sum of its proper divisors (18795932540).

21733340050 is an frugal number, since it uses more digits than its factorization.

21733340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 21733340050 its reverse (5004333712), we get a palindrome (26737673762).

The spelling of 21733340050 in words is "twenty-one billion, seven hundred thirty-three million, three hundred forty thousand, fifty".