21933528703398 has 96 divisors (see below), whose sum is σ = 52023848927232. Its totient is φ = 6637296556800.

The previous prime is 21933528703369. The next prime is 21933528703409. The reversal of 21933528703398 is 89330782533912.

It is a happy number.

21933528703398 is a `hidden beast` number, since 2 + 1 + 9 + 3 + 3 + 528 + 70 + 3 + 39 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116824536 + ... + 117012132.

It is an arithmetic number, because the mean of its divisors is an integer number (541915092992).

Almost surely, 2^{21933528703398} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21933528703398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26011924463616).

21933528703398 is an abundant number, since it is smaller than the sum of its proper divisors (30090320223834).

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

21933528703398 is a wasteful number, since it uses less digits than its factorization.

21933528703398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195870 (or 195867 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 21933528703398 in words is "twenty-one trillion, nine hundred thirty-three billion, five hundred twenty-eight million, seven hundred three thousand, three hundred ninety-eight".