21833338385004 has 48 divisors (see below), whose sum is σ = 51585842356608. Its totient is φ = 7186491606528.

The previous prime is 21833338384993. The next prime is 21833338385009. The reversal of 21833338385004 is 40058383333812.

It is a super-3 number, since 3×21833338385004³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21833338385009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20654962 + ... + 21686265.

It is an arithmetic number, because the mean of its divisors is an integer number (1074705049096).

Almost surely, 2^{21833338385004} is an apocalyptic number.

It is an amenable number.

21833338385004 is an abundant number, since it is smaller than the sum of its proper divisors (29752503971604).

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

21833338385004 is a wasteful number, since it uses less digits than its factorization.

21833338385004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42341774 (or 42341772 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 21833338385004 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred eighty-five thousand, four".