21044416341 has 32 divisors (see below), whose sum is σ = 31360008960. Its totient is φ = 12463686144.

The previous prime is 21044416279. The next prime is 21044416361. The reversal of 21044416341 is 14361444012.

It is not a de Polignac number, because 21044416341 - 2⁹ = 21044415829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21044416299 and 21044416308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21044416361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324280 + ... + 383726.

It is an arithmetic number, because the mean of its divisors is an integer number (980000280).

Almost surely, 2^21044416341 is an apocalyptic number.

It is an amenable number.

21044416341 is a deficient number, since it is larger than the sum of its proper divisors (10315592619).

21044416341 is a wasteful number, since it uses less digits than its factorization.

21044416341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59805.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 21044416341 in words is "twenty-one billion, forty-four million, four hundred sixteen thousand, three hundred forty-one".