21835338350 has 36 divisors (see below), whose sum is σ = 47244547584. Its totient is φ = 7486400880.

The previous prime is 21835338337. The next prime is 21835338383. The reversal of 21835338350 is 5383353812.

It is a happy number.

21835338350 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 21835338298 and 21835338307.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 4453742 + ... + 4458641.

It is an arithmetic number, because the mean of its divisors is an integer number (1312348544).

Almost surely, 2^21835338350 is an apocalyptic number.

21835338350 is an abundant number, since it is smaller than the sum of its proper divisors (25409209234).

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

21835338350 is a wasteful number, since it uses less digits than its factorization.

21835338350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912409 (or 8912397 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 21835338350 in words is "twenty-one billion, eight hundred thirty-five million, three hundred thirty-eight thousand, three hundred fifty".