21933375296 has 84 divisors (see below), whose sum is σ = 50841842436. Its totient is φ = 9360691200.

The previous prime is 21933375283. The next prime is 21933375301. The reversal of 21933375296 is 69257333912.

It can be written as a sum of positive squares in 2 ways, for example, as 19694192896 + 2239182400 = 140336^2 + 47320^2 .

It is a super-3 number, since 3×21933375296³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 741266 + ... + 770286.

It is an arithmetic number, because the mean of its divisors is an integer number (605260029).

Almost surely, 2^21933375296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21933375296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25420921218).

21933375296 is an abundant number, since it is smaller than the sum of its proper divisors (28908467140).

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

21933375296 is a wasteful number, since it uses less digits than its factorization.

21933375296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29288 (or 29271 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 50.

The spelling of 21933375296 in words is "twenty-one billion, nine hundred thirty-three million, three hundred seventy-five thousand, two hundred ninety-six".