21741835004 has 12 divisors (see below), whose sum is σ = 38049268824. Its totient is φ = 10870615344.

The previous prime is 21741835001. The next prime is 21741835039. The reversal of 21741835004 is 40053814712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21741835001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 190334 + ... + 282330.

It is an arithmetic number, because the mean of its divisors is an integer number (3170772402).

Almost surely, 2^21741835004 is an apocalyptic number.

It is an amenable number.

21741835004 is a deficient number, since it is larger than the sum of its proper divisors (16307433820).

21741835004 is a wasteful number, since it uses less digits than its factorization.

21741835004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151084 (or 151082 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 21741835004 in words is "twenty-one billion, seven hundred forty-one million, eight hundred thirty-five thousand, four".